diff --git a/checks/beltline_validation_check.py b/checks/beltline_validation_check.py
new file mode 100644
index 0000000..8bd321d
--- /dev/null
+++ b/checks/beltline_validation_check.py
@@ -0,0 +1,213 @@
+import os
+import json
+import logging
+import re
+from typing import Dict, Any, Set, Tuple, Optional, List
+from utils.check_helpers import record_skipped_type, prepare_skipped_result
+
+def run_check(config):
+    """
+    Comprehensive Beltline Validation Check
+
+    Validates beltline images with the new structure:
+    - Desktop: imagetype="desktop", variant="desktop", frames 0-71 (72 total)
+    - Mobile: imagetype="mobile", variant="mobile", frames 49-71 (23 total)
+
+    Validation Requirements:
+    1. Frame Count: Exactly 72 desktop frames (0-71) and 23 mobile frames (49-71)
+    2. Frame Range Warnings: Mobile frames 0-48 should not exist
+    3. Angle/Filename Consistency: JSON angle field must match filename frame number
+    4. Variant Consistency: imagetype must equal variant field
+
+    Expected config:
+    - working_dir (str): Directory where linkingrecord.json and images reside
+    - linkingrecord_filename (str): Name of the linking record file, default: linkingrecord.json
+
+    Returns:
+    - "passed" if all validations pass
+    - "failed" if required frames missing or critical issues found
+    - Warnings for non-critical issues (unexpected frames, mismatches)
+    """
+
+    working_dir = config.get("working_dir", "working")
+    linkingrecord_filename = config.get("linkingrecord_filename", "linkingrecord.json")
+    linkingrecord_path = os.path.join(working_dir, linkingrecord_filename)
+
+    if not os.path.exists(linkingrecord_path):
+        return {
+            "status": "error",
+            "error_message": f"Linking record '{linkingrecord_filename}' not found in {working_dir}."
+        }
+
+    try:
+        with open(linkingrecord_path, 'r', encoding='utf-8') as f:
+            linkingrecord = json.load(f)
+    except json.JSONDecodeError as e:
+        return {
+            "status": "error",
+            "error_message": f"Invalid JSON in {linkingrecord_filename}: {str(e)}"
+        }
+    except Exception as e:
+        return {
+            "status": "error",
+            "error_message": f"Error reading {linkingrecord_filename}: {str(e)}"
+        }
+
+    if "items" not in linkingrecord or not isinstance(linkingrecord["items"], list):
+        return {
+            "status": "error",
+            "error_message": "Invalid linkingrecord.json structure: 'items' missing or not a list."
+        }
+
+    # Track skipped viewtype/imagetype combinations
+    skipped_types: Dict[str, Set[Tuple[str, Optional[str]]]] = {"beltline_validation_check": set()}
+
+    # Find all beltline items (vehicleSelector with desktop/mobile imagetype)
+    desktop_items = []
+    mobile_items = []
+    warnings = []
+
+    for item in linkingrecord["items"]:
+        conditions = item.get("conditions", {})
+        viewtype = conditions.get("viewtype")
+        imagetype = conditions.get("imagetype")
+        variant = conditions.get("variant")
+
+        # Skip items with missing viewtype
+        if not viewtype:
+            logging.debug(f"Skipping item with missing viewtype: {conditions}")
+            continue
+
+        # Only process vehicleSelector items
+        if viewtype != "vehicleSelector":
+            continue
+
+        # Check for beltline items (desktop/mobile imagetype)
+        if imagetype in ["desktop", "mobile"]:
+            # Validate variant consistency
+            if variant != imagetype:
+                warnings.append(f"Inconsistent variant field: imagetype='{imagetype}' but variant='{variant}' (should match)")
+
+            if imagetype == "desktop":
+                desktop_items.append(item)
+            elif imagetype == "mobile":
+                mobile_items.append(item)
+        else:
+            # Record unknown imagetype combinations for vehicleSelector
+            if imagetype is not None:
+                record_skipped_type(skipped_types, "beltline_validation_check", viewtype, imagetype)
+
+    # If no beltline items found, this is likely not a beltline pack
+    if not desktop_items and not mobile_items:
+        if skipped_types["beltline_validation_check"]:
+            return prepare_skipped_result(skipped_types, "beltline_validation_check")
+
+        return {
+            "status": "passed",
+            "details": {
+                "message": "No beltline items found in this pack.",
+                "pack_type": "Non-beltline pack"
+            }
+        }
+
+    # Validate desktop frames (0-71, total 72)
+    desktop_validation = validate_frame_set(desktop_items, "desktop", expected_frames=set(range(72)), working_dir=working_dir)
+
+    # Validate mobile frames (49-71, total 23)
+    mobile_validation = validate_frame_set(mobile_items, "mobile", expected_frames=set(range(49, 72)), working_dir=working_dir)
+
+    # Combine all validation results
+    all_missing_frames = desktop_validation["missing_frames"] + mobile_validation["missing_frames"]
+    all_warnings = warnings + desktop_validation["warnings"] + mobile_validation["warnings"]
+
+    # Determine overall status
+    if all_missing_frames:
+        result = {
+            "status": "failed",
+            "details": {
+                "message": f"Beltline validation failed - {len(all_missing_frames)} required frames missing.",
+                "missing_desktop_frames": desktop_validation["missing_frames"],
+                "missing_mobile_frames": mobile_validation["missing_frames"],
+                "desktop_frame_summary": f"{desktop_validation['found_count']}/72 desktop frames found",
+                "mobile_frame_summary": f"{mobile_validation['found_count']}/23 mobile frames found"
+            }
+        }
+    else:
+        result = {
+            "status": "passed",
+            "details": {
+                "message": "All required beltline frames found and validated successfully.",
+                "desktop_frame_summary": f"{desktop_validation['found_count']}/72 desktop frames found",
+                "mobile_frame_summary": f"{mobile_validation['found_count']}/23 mobile frames found"
+            }
+        }
+
+    # Add warnings if any exist
+    if all_warnings:
+        result["details"]["warnings"] = all_warnings
+        result["details"]["warning_count"] = len(all_warnings)
+
+    # Add skipped types if any exist
+    if skipped_types["beltline_validation_check"]:
+        result["details"]["skipped_types_message"] = f"{len(skipped_types['beltline_validation_check'])} unknown viewtype/imagetype combinations were skipped."
+        result["details"]["skipped_types"] = [
+            {"viewtype": vt, "imagetype": it if it is not None else "None"}
+            for vt, it in skipped_types["beltline_validation_check"]
+        ]
+
+    return result
+
+def validate_frame_set(items: List[Dict], variant_type: str, expected_frames: Set[int], working_dir: str) -> Dict[str, Any]:
+    """
+    Validate a set of beltline frames (desktop or mobile).
+
+    Args:
+        items: List of linkingrecord items for this variant
+        variant_type: "desktop" or "mobile" for logging
+        expected_frames: Set of expected frame numbers (0-71 for desktop, 49-71 for mobile)
+        working_dir: Directory containing the images
+
+    Returns:
+        Dict with validation results
+    """
+    found_frames = set()
+    warnings = []
+    filename_pattern = r'(vsd|vsm)_(\d+)_\d+\.(avif|AVIF)'
+
+    for item in items:
+        records = item.get("records", [])
+
+        for record in records:
+            angle = record.get("angle")
+            assets = record.get("assets", [])
+
+            for asset in assets:
+                filename = asset.get("filename", "")
+
+                if filename:
+                    # Extract frame number from filename
+                    match = re.search(filename_pattern, filename)
+                    if match:
+                        filename_frame = int(match.group(2))
+                        found_frames.add(filename_frame)
+
+                        # Validate angle/filename consistency
+                        if angle is not None and angle != filename_frame:
+                            warnings.append(f"Angle/filename mismatch: angle={angle} but filename='{filename}' suggests frame {filename_frame}")
+
+                        # Check for unexpected mobile frames 0-48
+                        if variant_type == "mobile" and filename_frame < 49:
+                            warnings.append(f"Unexpected mobile frame {filename_frame} found (mobile frames should only be 49-71)")
+                    else:
+                        warnings.append(f"Could not parse frame number from filename: '{filename}'")
+
+    # Calculate missing frames
+    missing_frames = sorted(list(expected_frames - found_frames))
+    found_count = len(found_frames)
+
+    return {
+        "missing_frames": missing_frames,
+        "found_count": found_count,
+        "warnings": warnings,
+        "found_frames": sorted(list(found_frames))
+    }
\ No newline at end of file
diff --git a/checks/extra_carousel_validation_check.py b/checks/extra_carousel_validation_check.py
new file mode 100644
index 0000000..98b9866
--- /dev/null
+++ b/checks/extra_carousel_validation_check.py
@@ -0,0 +1,235 @@
+import os
+import json
+import logging
+from typing import Dict, Any, List, Tuple
+
+def run_check(config):
+    """
+    Enhanced Extra Carousel Images Validation Check
+
+    Validates that carousel/extra images match their WERS codes and meet coverage requirements:
+    - BAU: 0-49% fail, 50-99% warning, 100% pass
+    - MEC: 0-99% fail, 100% pass
+
+    Expected config:
+    - working_dir (str): Directory where linkingrecord.json and images reside
+    - linkingrecord_filename (str): Name of the linking record file, default: linkingrecord.json
+
+    Returns:
+    - "passed" if coverage meets requirements
+    - "warning" for BAU packs with 50-99% coverage
+    - "failed" if coverage below requirements or missing features
+    - "error" for structural issues
+    """
+
+    working_dir = config.get("working_dir", "working")
+    linkingrecord_filename = config.get("linkingrecord_filename", "linkingrecord.json")
+    linkingrecord_path = os.path.join(working_dir, linkingrecord_filename)
+
+    if not os.path.exists(linkingrecord_path):
+        return {
+            "status": "error",
+            "error_message": f"Linking record '{linkingrecord_filename}' not found in {working_dir}."
+        }
+
+    try:
+        with open(linkingrecord_path, 'r', encoding='utf-8') as f:
+            linkingrecord = json.load(f)
+    except json.JSONDecodeError as e:
+        return {
+            "status": "error",
+            "error_message": f"Invalid JSON in {linkingrecord_filename}: {str(e)}"
+        }
+    except Exception as e:
+        return {
+            "status": "error",
+            "error_message": f"Error reading {linkingrecord_filename}: {str(e)}"
+        }
+
+    if "items" not in linkingrecord or not isinstance(linkingrecord["items"], list):
+        return {
+            "status": "error",
+            "error_message": "Invalid linkingrecord.json structure: 'items' missing or not a list."
+        }
+
+    # Detect pack type (MEC vs BAU)
+    is_mec = any(
+        item.get("conditions", {}).get("experienceCondition") == "2d-background"
+        for item in linkingrecord["items"]
+    )
+    pack_type = "MEC" if is_mec else "BAU"
+
+    # Find all carousel/extra items
+    carousel_extra_items = []
+    for item_index, item in enumerate(linkingrecord["items"]):
+        conditions = item.get("conditions", {})
+        viewtype = conditions.get("viewtype")
+        imagetype = conditions.get("imagetype")
+
+        if viewtype == "carousel" and imagetype == "extra":
+            carousel_extra_items.append((item_index, item))
+
+    # If no carousel/extra items found, this pack doesn't use extra carousel images
+    if not carousel_extra_items:
+        return {
+            "status": "passed",
+            "details": {
+                "message": "No carousel/extra items found - validation not applicable.",
+                "pack_type": pack_type,
+                "validation_type": "not_applicable"
+            }
+        }
+
+    # Validate each carousel/extra item
+    record_results = []
+    all_features = []
+    all_matched_features = []
+
+    for item_index, item in carousel_extra_items:
+        records = item.get("records", [])
+
+        for record_index, record in enumerate(records):
+            result = validate_record_features(record, working_dir, item_index, record_index)
+            if result["status"] == "error":
+                return {
+                    "status": "error",
+                    "error_message": result["error_message"]
+                }
+
+            record_results.append(result)
+            all_features.extend(result["features"])
+            all_matched_features.extend(result["matched_features"])
+
+    # Calculate overall coverage
+    if not all_features:
+        return {
+            "status": "error",
+            "error_message": "No features found in any carousel/extra records. Features array cannot be empty."
+        }
+
+    total_features = len(all_features)
+    matched_count = len(all_matched_features)
+    overall_coverage = (matched_count / total_features) * 100
+
+    # Apply validation rules based on pack type
+    if pack_type == "MEC":
+        # MEC: Must have 100% coverage
+        if overall_coverage < 100:
+            status = "failed"
+            message = f"MEC pack requires 100% extra carousel coverage, found {overall_coverage:.1f}%"
+        else:
+            status = "passed"
+            message = f"MEC pack extra carousel validation passed - 100% coverage achieved"
+    else:
+        # BAU: 0-49% fail, 50-99% warning, 100% pass
+        if overall_coverage < 50:
+            status = "failed"
+            message = f"BAU pack extra carousel coverage too low: {overall_coverage:.1f}% (minimum 50% required)"
+        elif overall_coverage < 100:
+            status = "warning"
+            message = f"BAU pack extra carousel coverage at {overall_coverage:.1f}% - consider improving to 100%"
+        else:
+            status = "passed"
+            message = f"BAU pack extra carousel validation passed - 100% coverage achieved"
+
+    # Compile missing features summary
+    missing_features = []
+    for result in record_results:
+        missing_features.extend(result["missing_features"])
+
+    # Build comprehensive result
+    result = {
+        "status": status,
+        "details": {
+            "message": message,
+            "pack_type": pack_type,
+            "overall_coverage": round(overall_coverage, 1),
+            "total_features_across_all_records": total_features,
+            "matched_features_count": matched_count,
+            "validation_summary": f"{matched_count}/{total_features} features matched ({overall_coverage:.1f}% coverage)",
+            "record_results": record_results
+        }
+    }
+
+    # Add missing features summary if any
+    if missing_features:
+        result["details"]["missing_features_summary"] = sorted(list(set(missing_features)))
+
+    return result
+
+def validate_record_features(record: Dict[str, Any], working_dir: str, item_index: int, record_index: int) -> Dict[str, Any]:
+    """
+    Validate features in a single record against available image files.
+
+    Args:
+        record: Single record from carousel/extra item
+        working_dir: Directory containing image files
+        item_index: Index of the parent item
+        record_index: Index of this record within the item
+
+    Returns:
+        Dict with validation results for this record
+    """
+    features = record.get("features", [])
+
+    # Check for empty or missing features
+    if not features:
+        return {
+            "status": "error",
+            "error_message": f"Empty or missing 'features' array in carousel/extra record (item {item_index}, record {record_index})"
+        }
+
+    # Get all image files in working directory
+    available_files = []
+    try:
+        for root, dirs, files in os.walk(working_dir):
+            for file in files:
+                if file.lower().endswith(('.jpg', '.jpeg', '.png', '.avif')):
+                    available_files.append(file)
+    except Exception as e:
+        return {
+            "status": "error",
+            "error_message": f"Error scanning for image files: {str(e)}"
+        }
+
+    # Check each feature for matching images using substring search
+    matched_features = []
+    found_filenames = []
+    missing_features = []
+
+    for feature in features:
+        # Case-sensitive substring search in filenames
+        matching_files = [f for f in available_files if feature in f]
+
+        if matching_files:
+            matched_features.append(feature)
+            found_filenames.extend(matching_files)
+        else:
+            missing_features.append(feature)
+
+    # Calculate coverage for this record
+    coverage = (len(matched_features) / len(features)) * 100 if features else 0
+
+    return {
+        "status": "success",
+        "record_index": record_index,
+        "item_index": item_index,
+        "features": features,
+        "coverage": round(coverage, 1),
+        "matched_features": matched_features,
+        "missing_features": missing_features,
+        "found_filenames": sorted(list(set(found_filenames)))  # Remove duplicates and sort
+    }
+
+def check_feature_in_filename(feature: str, filename: str) -> bool:
+    """
+    Simple case-sensitive substring search.
+
+    Args:
+        feature: WERS code to search for
+        filename: Filename to search in
+
+    Returns:
+        bool: True if feature appears anywhere in filename
+    """
+    return feature in filename
\ No newline at end of file
diff --git a/checks/file_size_check.py b/checks/file_size_check.py
index bca666a..a7dceec 100755
--- a/checks/file_size_check.py
+++ b/checks/file_size_check.py
@@ -93,23 +93,23 @@ def run_check(config):
         )
         pack_type = "MEC" if is_mec else "BAU"
 
-        # Max sizes in KB
+        # Max sizes in KB (updated limits with 25% advisory buffer system)
         max_sizes_kb = {
-            "Base Exterior Images": 750,
-            "Base Interior Images": 1200,
-            "Engine and Transmission Images": 1024,
-            "Interior Layered Option Images": 1024,
-            "Exterior Layered Option Images": 600,
-            "Option Carousel Images": 500,
-            "Powertrain Image": 400,
-            "Showroom Images": 300,
-            "Colour Chips": 50,
-            "Bodystyle Images": 200,
-            "Series Images": 300,
-            "Trim Images": 700,
-            "Lifestyle Images": 500,     # 500KB for lifestyle
-            "Inventory Images": 1024,    # 1MB for inventory
-            "Beltline Images": 800       # 800KB for beltline AVIF images
+            "Base Exterior Images": 750,        # No change
+            "Base Interior Images": 1024,       # 1MB binary (was 1200)
+            "Engine and Transmission Images": 1024,  # No change
+            "Interior Layered Option Images": 1024,  # No change
+            "Exterior Layered Option Images": 750,   # Increased from 600
+            "Option Carousel Images": 500,      # No change
+            "Powertrain Images": 600,           # Increased from 400, renamed from singular
+            "Showroom Images": 200,             # Decreased from 300
+            "Colour Chips": 30,                 # Decreased from 50
+            "Bodystyle Images": 50,             # Decreased from 200
+            "Series Images": 50,                # Decreased from 300
+            "Trim Images": 800,                 # Increased from 700
+            "Lifestyle Images": 400,            # Decreased from 500
+            "Inventory Images": 800,            # Decreased from 1024
+            "Beltline Images": 800              # No change (typo corrected)
         }
 
         def get_asset_type(conditions):
@@ -122,8 +122,13 @@ def run_check(config):
                 return "Interior Layered Option Images"
             if viewtype == "exterior" and imagetype == "layeroptext":
                 return "Exterior Layered Option Images"
-            if experience == "2d-background" and viewtype in ["exterior", "interior"] and imagetype is None:
-                return "Engine and Transmission Images"
+            # Check for MEC powertrain images (2d-background + powertrain in filename)
+            if experience == "2d-background":
+                if viewtype in ["exterior", "interior"] and imagetype is None:
+                    return "Engine and Transmission Images"
+                # MEC carousel powertrain should also use Powertrain Images limit
+                if viewtype == "carousel" and imagetype == "powertrain":
+                    return "Powertrain Images"
             if viewtype == "exterior" and imagetype is None:
                 return "Base Exterior Images"
             if viewtype == "interior" and imagetype is None:
@@ -132,7 +137,7 @@ def run_check(config):
                 if imagetype == "extra":
                     return "Option Carousel Images"
                 if imagetype == "powertrain":
-                    return "Powertrain Image"
+                    return "Powertrain Images"  # Updated to plural to match new limit key
                 if imagetype == "colour":
                     return "Colour Chips"
                 if imagetype == "bodystyle":
@@ -147,14 +152,16 @@ def run_check(config):
                 return "Lifestyle Images"
             if viewtype == "inventory":
                 return "Inventory Images"
-            if viewtype == "vehicleSelector" and imagetype == "beltline":
+            if viewtype == "vehicleSelector" and imagetype in ["desktop", "mobile"]:
                 return "Beltline Images"
 
             # No match
             return None
 
-        # Use a dictionary to avoid duplicates (key by filename)
-        failed_images_dict = {}
+        # Three-tier validation system: compliant, advisory warnings, size violations
+        compliant_images = {}
+        advisory_warnings = {}
+        size_violations = {}
         
         # Track skipped viewtype/imagetype combinations
         skipped_types: Dict[str, Set[Tuple[str, Optional[str]]]] = {"file_size_check": set()}
@@ -179,6 +186,7 @@ def run_check(config):
 
             max_size_kb = max_sizes_kb[asset_type]
             max_size_bytes = max_size_kb * 1024
+            advisory_threshold_bytes = int(max_size_bytes * 1.25)  # 25% buffer zone
 
             records = item.get("records", [])
             for record_index, record in enumerate(records):
@@ -200,53 +208,113 @@ def run_check(config):
                         logging.warning(f"Could not get size of file {file_path}: {str(e)}")
                         continue
 
-                    if file_size > max_size_bytes:
-                        if filename not in failed_images_dict:
-                            failed_images_dict[filename] = {
+                    # Calculate percentages and categorize
+                    file_size_kb = round(file_size / 1024, 2)
+                    percentage_of_limit = round((file_size / max_size_bytes) * 100, 2)
+
+                    # Three-tier validation
+                    if file_size <= max_size_bytes:
+                        # Compliant: 0-100% of limit
+                        if filename not in compliant_images:
+                            compliant_images[filename] = {
                                 "filename": filename,
                                 "asset_type": asset_type,
-                                "file_size_bytes": file_size,
-                                "max_size_bytes": max_size_bytes,
-                                "file_size_kb": round(file_size / 1024, 2),
-                                "max_size_kb": max_size_kb,
-                                "over_limit_kb": round((file_size - max_size_bytes) / 1024, 2),
-                                "over_limit_percentage": round(((file_size - max_size_bytes) / max_size_bytes) * 100, 2)
+                                "file_size_kb": file_size_kb,
+                                "limit_kb": max_size_kb,
+                                "percentage_of_limit": percentage_of_limit,
+                                "status": "compliant"
+                            }
+                    elif file_size <= advisory_threshold_bytes:
+                        # Advisory Warning: 101-125% of limit
+                        if filename not in advisory_warnings:
+                            advisory_warnings[filename] = {
+                                "filename": filename,
+                                "asset_type": asset_type,
+                                "file_size_kb": file_size_kb,
+                                "limit_kb": max_size_kb,
+                                "percentage_over": round(percentage_of_limit - 100, 1),
+                                "percentage_of_limit": percentage_of_limit,
+                                "status": "advisory",
+                                "message": "File size slightly exceeds recommended limit but is within acceptable tolerance. Consider optimizing for better performance."
+                            }
+                    else:
+                        # Size Violation: 126%+ of limit
+                        if filename not in size_violations:
+                            size_violations[filename] = {
+                                "filename": filename,
+                                "asset_type": asset_type,
+                                "file_size_kb": file_size_kb,
+                                "limit_kb": max_size_kb,
+                                "percentage_over": round(percentage_of_limit - 100, 1),
+                                "percentage_of_limit": percentage_of_limit,
+                                "status": "violation",
+                                "message": "File size significantly exceeds maximum limit and requires optimization before final delivery."
                             }
 
-        if failed_images_dict:
-            result = {
-                "status": "failed",
-                "details": {
-                    "message": f"{len(failed_images_dict)} files exceed the maximum allowed size.",
-                    "failed_images": list(failed_images_dict.values()),
-                    "pack_type": pack_type
-                }
-            }
-            
-            # Add skipped types to the result if any were found
-            if skipped_types["file_size_check"]:
-                result["details"]["skipped_types_message"] = f"{len(skipped_types['file_size_check'])} unknown viewtype/imagetype combinations were skipped."
-                result["details"]["skipped_types"] = [
-                    {"viewtype": vt, "imagetype": it if it is not None else "None"}
-                    for vt, it in skipped_types["file_size_check"]
-                ]
-                
-            return result
+        # Generate counts for summary
+        compliant_count = len(compliant_images)
+        advisory_count = len(advisory_warnings)
+        violation_count = len(size_violations)
+        total_files = compliant_count + advisory_count + violation_count
 
-        # If we skipped any types, add that to the successful result
-        if skipped_types["file_size_check"]:
-            result = prepare_skipped_result(skipped_types, "file_size_check")
-            result["details"]["pack_type"] = pack_type
-            return result
+        # Determine overall status (fail only if there are violations)
+        if violation_count > 0:
+            status = "failed"
+            status_message = f"File size validation failed - {violation_count} files significantly exceed size limits"
+        elif advisory_count > 0:
+            status = "passed"
+            status_message = f"File size validation passed with {advisory_count} advisory warnings"
+        else:
+            status = "passed"
+            status_message = "All present images are within recommended file size limits"
 
-        return {
-            "status": "passed",
+        # Build comprehensive result
+        result = {
+            "status": status,
             "details": {
-                "message": "All present images are within the allowed file size.",
+                "message": status_message,
+                "validation_summary": f"{compliant_count} compliant, {advisory_count} advisory warnings, {violation_count} violations",
                 "pack_type": pack_type
             }
         }
 
+        # Add compliant images if any
+        if compliant_images:
+            result["details"]["compliant_images"] = list(compliant_images.values())
+
+        # Add advisory warnings if any (these don't cause failure)
+        if advisory_warnings:
+            result["details"]["advisory_warnings"] = list(advisory_warnings.values())
+
+        # Add size violations if any (these cause failure)
+        if size_violations:
+            result["details"]["size_violations"] = list(size_violations.values())
+
+        # Add detailed statistics
+        result["details"]["statistics"] = {
+            "total_files_checked": total_files,
+            "compliant_files": compliant_count,
+            "advisory_warnings": advisory_count,
+            "size_violations": violation_count,
+            "compliance_rate": round((compliant_count / total_files) * 100, 1) if total_files > 0 else 100
+        }
+
+        # Add skipped types if any exist
+        if skipped_types["file_size_check"]:
+            result["details"]["skipped_types_message"] = f"{len(skipped_types['file_size_check'])} unknown viewtype/imagetype combinations were skipped."
+            result["details"]["skipped_types"] = [
+                {"viewtype": vt, "imagetype": it if it is not None else "None"}
+                for vt, it in skipped_types["file_size_check"]
+            ]
+
+        # Handle case where no files were processed
+        if total_files == 0:
+            if skipped_types["file_size_check"]:
+                return prepare_skipped_result(skipped_types, "file_size_check")
+            result["details"]["message"] = "No files were found to validate for file size"
+
+        return result
+
     except Exception as e:
         # Catch any unexpected exceptions and return detailed error information
         error_msg = f"Unexpected error in file size check: {str(e)}"
diff --git a/checks/image_format_check.py b/checks/image_format_check.py
index 5339526..7cfac56 100644
--- a/checks/image_format_check.py
+++ b/checks/image_format_check.py
@@ -40,13 +40,18 @@ def run_check(config):
             "status": "error",
             "error_message": "Invalid linkingrecord.json structure: 'items' missing or not a list."
         }
-    
-    # Define format requirements
+
+    # Detect if this is a MEC pack (contains experienceCondition="2d-background")
+    is_mec = any(
+        item.get("conditions", {}).get("experienceCondition") == "2d-background"
+        for item in linkingrecord["items"]
+    )
+    pack_type = "MEC" if is_mec else "BAU"
+
+    # Define format requirements (base assets handled separately)
     # Format: (viewtype, imagetype): expected_format
     format_requirements = {
-        # For BAU
-        ('exterior', None): 'PNG',
-        ('interior', None): 'PNG',
+        # Base assets ('exterior', None) and ('interior', None) are handled with flexible logic below
         ('exterior', 'layeroptext'): 'PNG',
         ('interior', 'layeroptint'): 'PNG',
         ('carousel', 'extra'): 'JPEG',
@@ -59,40 +64,72 @@ def run_check(config):
         # Adding lifestyle and inventory requirements
         ('lifestyle', None): 'JPEG',
         ('inventory', None): 'JPEG',
-        # Adding beltline requirements
-        ('vehicleSelector', 'beltline'): 'AVIF',
+        # Adding beltline requirements (desktop and mobile variants)
+        ('vehicleSelector', 'desktop'): 'AVIF',
+        ('vehicleSelector', 'mobile'): 'AVIF',
     }
+
+    def is_base_asset(viewtype, imagetype):
+        """Check if this is a base exterior or interior asset."""
+        return (viewtype == 'exterior' and imagetype is None) or (viewtype == 'interior' and imagetype is None)
+
+    def validate_base_asset_format(filename, actual_format, pack_type, viewtype):
+        """
+        Validate base asset format with flexible rules:
+        - MEC base assets: Strict JPG only (fail if PNG)
+        - BAU base assets: JPG preferred, PNG acceptable with warning
+        Returns: (is_valid, warning_message)
+        """
+        if pack_type == "MEC":
+            # MEC base assets must be JPG only
+            if actual_format != "JPEG":
+                return False, None
+            return True, None
+        else:  # BAU pack
+            # BAU base assets: JPG preferred, PNG acceptable with warning
+            if actual_format == "JPEG":
+                return True, None
+            elif actual_format == "PNG":
+                return True, f"PNG format found but JPG format is preferred for {viewtype} base assets. Please consider changing this to JPG to match business requirements."
+            else:
+                return False, None
     
     # Use a dictionary to avoid duplicates (keyed by filename)
     failed_images_dict = {}
-    
+    warnings_list = []
+
     # Track skipped viewtype/imagetype combinations
     skipped_types: Dict[str, Set[Tuple[str, Optional[str]]]] = {"image_format_check": set()}
-    
+
     for item in linkingrecord["items"]:
         conditions = item.get("conditions", {})
         viewtype = conditions.get("viewtype")
         imagetype = conditions.get("imagetype")
-        
+
         # Skip items with missing viewtype
         if not viewtype:
             logging.debug(f"Skipping item with missing viewtype: {conditions}")
             continue
-        
-        # Find the applicable format requirement
-        key = (viewtype, imagetype)
-        expected_format = None
-        
-        if key in format_requirements:
-            expected_format = format_requirements[key]
-        # Try with None imagetype as fallback
-        elif (viewtype, None) in format_requirements:
-            expected_format = format_requirements[(viewtype, None)]
-        
-        # If no requirement is found, record it and skip this item
-        if expected_format is None:
-            record_skipped_type(skipped_types, "image_format_check", viewtype, imagetype)
-            continue
+
+        # Check if this is a base asset that needs special handling
+        if is_base_asset(viewtype, imagetype):
+            # Base assets use flexible validation logic
+            expected_format = None  # Will be handled in the validation function
+        else:
+            # Non-base assets use the standard format requirements
+            key = (viewtype, imagetype)
+            expected_format = None
+
+            if key in format_requirements:
+                expected_format = format_requirements[key]
+            # Try with None imagetype as fallback
+            elif (viewtype, None) in format_requirements:
+                expected_format = format_requirements[(viewtype, None)]
+
+            # If no requirement is found, record it and skip this item
+            if expected_format is None:
+                record_skipped_type(skipped_types, "image_format_check", viewtype, imagetype)
+                continue
         
         records = item.get("records", [])
         for record in records:
@@ -111,26 +148,52 @@ def run_check(config):
                 try:
                     with Image.open(image_path) as img:
                         actual_format = img.format
-                        
-                        # PIL reports "JPEG" for JPG files
-                        if actual_format != expected_format:
-                            # Only add an entry if this filename not yet in the dict
-                            if filename not in failed_images_dict:
-                                failed_images_dict[filename] = {
+
+                        if is_base_asset(viewtype, imagetype):
+                            # Use flexible validation for base assets
+                            is_valid, warning_message = validate_base_asset_format(filename, actual_format, pack_type, viewtype)
+
+                            if not is_valid:
+                                # Only add an entry if this filename not yet in the dict
+                                if filename not in failed_images_dict:
+                                    expected_desc = "JPEG" if pack_type == "MEC" else "JPEG (preferred) or PNG (acceptable)"
+                                    failed_images_dict[filename] = {
+                                        "filename": filename,
+                                        "viewtype": viewtype,
+                                        "imagetype": imagetype,
+                                        "expected_format": expected_desc,
+                                        "actual_format": actual_format,
+                                        "pack_type": pack_type
+                                    }
+                            elif warning_message:
+                                # Add warning but don't fail
+                                warnings_list.append({
                                     "filename": filename,
-                                    "viewtype": viewtype,
-                                    "imagetype": imagetype,
-                                    "expected_format": expected_format,
-                                    "actual_format": actual_format
-                                }
+                                    "message": warning_message
+                                })
+                        else:
+                            # Standard validation for non-base assets
+                            # PIL reports "JPEG" for JPG files
+                            if actual_format != expected_format:
+                                # Only add an entry if this filename not yet in the dict
+                                if filename not in failed_images_dict:
+                                    failed_images_dict[filename] = {
+                                        "filename": filename,
+                                        "viewtype": viewtype,
+                                        "imagetype": imagetype,
+                                        "expected_format": expected_format,
+                                        "actual_format": actual_format
+                                    }
+
                 except Exception as e:
                     # If we can't open the image, mark it as failed
                     if filename not in failed_images_dict:
+                        expected_desc = expected_format if expected_format else ("JPEG" if pack_type == "MEC" and is_base_asset(viewtype, imagetype) else "Unknown")
                         failed_images_dict[filename] = {
                             "filename": filename,
                             "viewtype": viewtype,
                             "imagetype": imagetype,
-                            "expected_format": expected_format,
+                            "expected_format": expected_desc,
                             "actual_format": f"Error: {str(e)}"
                         }
     
@@ -140,10 +203,15 @@ def run_check(config):
             "status": "failed",
             "details": {
                 "message": "Some images are not in the expected file format.",
-                "failed_images": list(failed_images_dict.values())
+                "failed_images": list(failed_images_dict.values()),
+                "pack_type": pack_type
             }
         }
-        
+
+        # Add warnings to failed result if any exist
+        if warnings_list:
+            result["details"]["warnings"] = warnings_list
+
         # Add skipped types to the result if any were found
         if skipped_types["image_format_check"]:
             result["details"]["skipped_types_message"] = f"{len(skipped_types['image_format_check'])} unknown viewtype/imagetype combinations were skipped."
@@ -151,16 +219,32 @@ def run_check(config):
                 {"viewtype": vt, "imagetype": it if it is not None else "None"}
                 for vt, it in skipped_types["image_format_check"]
             ]
-            
+
         return result
-    
-    # If we skipped any types, add that to the successful result
-    if skipped_types["image_format_check"]:
-        return prepare_skipped_result(skipped_types, "image_format_check")
-    
-    return {
+
+    # No failures - construct success result
+    base_message = "All present images match their required file format."
+
+    # If we have warnings, it's still a pass but with warnings
+    result = {
         "status": "passed",
         "details": {
-            "message": "All present images match their required file format."
+            "message": base_message,
+            "pack_type": pack_type
         }
-    }
\ No newline at end of file
+    }
+
+    # Add warnings to successful result if any exist
+    if warnings_list:
+        result["details"]["warnings"] = warnings_list
+        result["details"]["message"] = f"{base_message} Some recommendations noted below."
+
+    # If we skipped any types, add that to the result
+    if skipped_types["image_format_check"]:
+        result["details"]["skipped_types_message"] = f"{len(skipped_types['image_format_check'])} unknown viewtype/imagetype combinations were skipped."
+        result["details"]["skipped_types"] = [
+            {"viewtype": vt, "imagetype": it if it is not None else "None"}
+            for vt, it in skipped_types["image_format_check"]
+        ]
+
+    return result
\ No newline at end of file
diff --git a/checks/image_resolution_check.py b/checks/image_resolution_check.py
index 7806d1a..f42c741 100755
--- a/checks/image_resolution_check.py
+++ b/checks/image_resolution_check.py
@@ -74,8 +74,9 @@ def run_check(config):
         ("carousel", "bodystyle"): (678, 381),
         ("carousel", "series"): (678, 381),
         ("carousel", "trim"): (678, 381),
-        # Beltline resolution requirements (desktop and mobile)
-        ("vehicleSelector", "beltline"): (1920, 842),  # Default to desktop
+        # Beltline resolution requirements (desktop and mobile variants)
+        ("vehicleSelector", "desktop"): (1920, 842),
+        ("vehicleSelector", "mobile"): (640, 428),
     }
 
     mec_map = {
@@ -92,8 +93,9 @@ def run_check(config):
         ("carousel", "bodystyle"): (678, 381),
         ("carousel", "series"): (678, 381),
         ("carousel", "trim"): (678, 381),
-        # Beltline resolution requirements (desktop and mobile)
-        ("vehicleSelector", "beltline"): (1920, 842),  # Default to desktop
+        # Beltline resolution requirements (desktop and mobile variants)
+        ("vehicleSelector", "desktop"): (1920, 842),
+        ("vehicleSelector", "mobile"): (640, 428),
     }
 
     # -------------------------------------------------------------------------
@@ -141,15 +143,7 @@ def run_check(config):
         )
 
         key = (viewtype, imagetype)
-        
-        # Special handling for beltline images with mobile variant
-        if viewtype == "vehicleSelector" and imagetype == "beltline":
-            if variant == "mobile":
-                return (640, 428), used_experience_type
-            else:
-                # Default to desktop resolution for beltline
-                return (1920, 842), used_experience_type
-        
+
         # If the exact key isn't in the map, try a fallback without imagetype
         if key not in resolution_map:
             fallback_key = (viewtype, None)
diff --git a/checks/layer_depth_check.py b/checks/layer_depth_check.py
index 50a77c2..a2e423f 100644
--- a/checks/layer_depth_check.py
+++ b/checks/layer_depth_check.py
@@ -119,7 +119,7 @@ def run_check(config):
             elif viewtype == "carousel" and imagetype not in ["powertrain", "extra", "colour", "bodystyle", "series", "trim"]:
                 record_skipped_type(skipped_types, "layer_depth_check", viewtype, imagetype)
                 continue
-            elif viewtype == "vehicleSelector" and imagetype not in ["beltline"]:
+            elif viewtype == "vehicleSelector" and imagetype not in ["desktop", "mobile"]:
                 record_skipped_type(skipped_types, "layer_depth_check", viewtype, imagetype)
                 continue
             
diff --git a/checks/special_requirements_mec_bau.py b/checks/special_requirements_mec_bau.py
index de02798..e0d9c6a 100755
--- a/checks/special_requirements_mec_bau.py
+++ b/checks/special_requirements_mec_bau.py
@@ -15,9 +15,8 @@ def run_check(config):
         - In its records, look for angle=30 and an asset filename containing "powertrain" and "mec_30_0".
         - If not found, fail.
       * If BAU (no "2d-background"):
-        - Find carousel/powertrain item.
-        - Ensure it has at least one asset in its records.
-        - If not found, fail.
+        - Validate _mec filename placement rules (no carousel/powertrain requirements).
+        - Pass if _mec assets are properly placed or not present.
       * Unknown viewtype/imagetype combinations are gracefully skipped and recorded.
     """
 
@@ -63,7 +62,7 @@ def run_check(config):
             record_skipped_type(skipped_types, "special_requirements_mec_bau", viewtype, imagetype)
         elif viewtype in ["exterior", "interior"] and imagetype not in [None, "layeroptint", "layeroptext", "showroom"]:
             record_skipped_type(skipped_types, "special_requirements_mec_bau", viewtype, imagetype)
-        elif viewtype == "vehicleSelector" and imagetype not in ["beltline"]:
+        elif viewtype == "vehicleSelector" and imagetype not in ["desktop", "mobile"]:
             record_skipped_type(skipped_types, "special_requirements_mec_bau", viewtype, imagetype)
 
     # Detect if MEC scenario:
@@ -200,7 +199,29 @@ def run_check(config):
                                 break
                     if not has_mec_asset:
                         section_validation_warnings.append(f"2d-background {description} section exists but no assets with '_mec' found in filenames")
-        
+
+        # Universal _mec filename validation: check ALL items to ensure _mec assets are only in 2d-background sections
+        for item in items:
+            conditions = item.get("conditions", {})
+            viewtype = conditions.get("viewtype")
+            imagetype = conditions.get("imagetype")
+            experience_condition = conditions.get("experienceCondition")
+
+            # Skip items without viewtype
+            if not viewtype:
+                continue
+
+            # Check all assets in this item
+            for record in item.get("records", []):
+                for asset in record.get("assets", []):
+                    filename = asset.get("filename", "")
+                    if "_mec" in filename:
+                        # Asset has _mec in filename - it should ONLY be in 2d-background sections
+                        if experience_condition != "2d-background":
+                            imagetype_display = imagetype if imagetype is not None else "None"
+                            experience_display = experience_condition if experience_condition is not None else "None"
+                            section_validation_errors.append(f"Asset '{filename}' found in regular viewtype='{viewtype}', imagetype='{imagetype_display}' section (should only be in 2d-background sections)")
+
         # If there are section validation errors, fail the check
         if section_validation_errors:
             result = {
@@ -249,71 +270,60 @@ def run_check(config):
 
     else:
         # BAU scenario:
-        # Need to find a carousel/powertrain item with at least one asset
-        carousel_powertrain_items = [
-            item for item in items
-            if item.get("conditions", {}).get("viewtype") == "carousel"
-            and item.get("conditions", {}).get("imagetype") == "powertrain"
-        ]
+        # No carousel/powertrain requirements - only validate _mec filename placement rules
 
-        if not carousel_powertrain_items:
+        # Universal _mec filename validation for BAU: check ALL items to ensure _mec assets are only in 2d-background sections
+        bau_validation_errors = []
+        for item in items:
+            conditions = item.get("conditions", {})
+            viewtype = conditions.get("viewtype")
+            imagetype = conditions.get("imagetype")
+            experience_condition = conditions.get("experienceCondition")
+
+            # Skip items without viewtype
+            if not viewtype:
+                continue
+
+            # Check all assets in this item
+            for record in item.get("records", []):
+                for asset in record.get("assets", []):
+                    filename = asset.get("filename", "")
+                    if "_mec" in filename:
+                        # Asset has _mec in filename - it should ONLY be in 2d-background sections
+                        if experience_condition != "2d-background":
+                            imagetype_display = imagetype if imagetype is not None else "None"
+                            experience_display = experience_condition if experience_condition is not None else "None"
+                            bau_validation_errors.append(f"Asset '{filename}' found in regular viewtype='{viewtype}', imagetype='{imagetype_display}' section (should only be in 2d-background sections)")
+
+        # If there are BAU validation errors, fail the check
+        if bau_validation_errors:
             result = {
                 "status": "failed",
                 "details": {
-                    "message": "BAU scenario: No carousel/powertrain section found.",
-                    "pack_type": pack_type
+                    "message": "BAU scenario: _mec filename validation failed.",
+                    "pack_type": pack_type,
+                    "bau_validation_errors": bau_validation_errors
                 }
             }
-            
-            # Add skipped types to the result if any were found
+
             if skipped_types["special_requirements_mec_bau"]:
                 result["details"]["skipped_types_message"] = f"{len(skipped_types['special_requirements_mec_bau'])} unknown viewtype/imagetype combinations were skipped."
                 result["details"]["skipped_types"] = [
                     {"viewtype": vt, "imagetype": it if it is not None else "None"}
                     for vt, it in skipped_types["special_requirements_mec_bau"]
                 ]
-                
-            return result
-
-        # Check for at least one asset
-        found_asset = False
-        for item in carousel_powertrain_items:
-            records = item.get("records", [])
-            for record in records:
-                assets = record.get("assets", [])
-                if assets:
-                    found_asset = True
-                    break
-            if found_asset:
-                break
-
-        if not found_asset:
-            result = {
-                "status": "failed",
-                "details": {
-                    "message": "BAU scenario: carousel/powertrain found but no assets present.",
-                    "pack_type": pack_type
-                }
-            }
-            
-            # Add skipped types to the result if any were found
-            if skipped_types["special_requirements_mec_bau"]:
-                result["details"]["skipped_types_message"] = f"{len(skipped_types['special_requirements_mec_bau'])} unknown viewtype/imagetype combinations were skipped."
-                result["details"]["skipped_types"] = [
-                    {"viewtype": vt, "imagetype": it if it is not None else "None"}
-                    for vt, it in skipped_types["special_requirements_mec_bau"]
-                ]
-                
+
             return result
 
+        # BAU pack passes - no carousel/powertrain requirements, _mec validation passed
         result = {
             "status": "passed",
             "details": {
-                "message": "BAU scenario: carousel/powertrain section with assets found.",
+                "message": "BAU scenario: _mec filename validation passed. No carousel/powertrain requirements.",
                 "pack_type": pack_type
             }
         }
-        
+
         # If we skipped any types, add that to the successful result
         if skipped_types["special_requirements_mec_bau"]:
             result["details"]["skipped_types_message"] = f"{len(skipped_types['special_requirements_mec_bau'])} unknown viewtype/imagetype combinations were skipped."
@@ -321,5 +331,5 @@ def run_check(config):
                 {"viewtype": vt, "imagetype": it if it is not None else "None"}
                 for vt, it in skipped_types["special_requirements_mec_bau"]
             ]
-            
+
         return result
\ No newline at end of file
diff --git a/checks/unzip_and_verify_check.py b/checks/unzip_and_verify_check.py
index 6fa5426..22442bf 100755
--- a/checks/unzip_and_verify_check.py
+++ b/checks/unzip_and_verify_check.py
@@ -2,6 +2,112 @@ import os
 import zipfile
 import shutil
 import json
+import re
+
+def scan_for_extraneous_files(working_dir):
+    """
+    Recursively scan the working directory for files that are not in the allowed whitelist.
+
+    Args:
+        working_dir (str): Directory to scan
+
+    Returns:
+        list: List of dictionaries containing information about extraneous files
+    """
+    # Define allowed file extensions (case-insensitive)
+    allowed_extensions = {'.jpg', '.jpeg', '.png', '.avif', '.json'}
+
+    extraneous_files = []
+
+    # Walk through all directories and files recursively
+    for root, dirs, files in os.walk(working_dir):
+        for file in files:
+            file_path = os.path.join(root, file)
+
+            # Get the file extension (case-insensitive)
+            _, ext = os.path.splitext(file.lower())
+
+            # Check if the extension is in the allowed list
+            if ext not in allowed_extensions:
+                # Calculate relative path from working_dir for cleaner reporting
+                relative_path = os.path.relpath(file_path, working_dir)
+
+                # Special handling for files that start with . but have no extension (like .DS_Store)
+                if not ext and file.startswith('.'):
+                    display_extension = file.lower()  # Show full filename for hidden files
+                else:
+                    display_extension = ext if ext else "(no extension)"
+
+                extraneous_files.append({
+                    "path": relative_path,
+                    "filename": file,
+                    "extension": display_extension,
+                    "full_path": file_path,
+                    "size_bytes": os.path.getsize(file_path) if os.path.exists(file_path) else 0
+                })
+
+    return extraneous_files
+
+def validate_linkingrecord_header(linkingrecord_data):
+    """
+    Validate the header section of linkingrecord.json for required field formats.
+
+    Args:
+        linkingrecord_data (dict): The parsed linkingrecord JSON data
+
+    Returns:
+        tuple: (is_valid: bool, error_details: list)
+    """
+    errors = []
+
+    # Extract header fields
+    market = linkingrecord_data.get("market", "")
+    model = linkingrecord_data.get("model", "")
+    year = linkingrecord_data.get("year", "")
+
+    # Get numericalMmy from header sub-object
+    header = linkingrecord_data.get("header", {})
+    numerical_mmy = header.get("numericalMmy", "")
+
+    # Validate market (exactly 3 alphabetic characters)
+    if not isinstance(market, str) or not re.match(r'^[A-Z]{3}$', market):
+        errors.append({
+            "field": "market",
+            "value": market,
+            "error": "Must be exactly 3 alphabetic characters (A-Z)"
+        })
+
+    # Validate model (alphanumeric capitals only)
+    if not isinstance(model, str) or not re.match(r'^[A-Z0-9]+$', model):
+        errors.append({
+            "field": "model",
+            "value": model,
+            "error": "Must contain only capital letters and numbers"
+        })
+
+    # Validate year (exactly 3 digits)
+    if not isinstance(year, str) or not re.match(r'^[0-9]{3}$', year):
+        errors.append({
+            "field": "year",
+            "value": year,
+            "error": "Must be exactly 3 digits representing the year"
+        })
+
+    # Validate numericalMmy (no dots allowed)
+    if isinstance(numerical_mmy, str) and '.' in numerical_mmy:
+        errors.append({
+            "field": "numericalMmy",
+            "value": numerical_mmy,
+            "error": "Must not contain dot characters"
+        })
+    elif not isinstance(numerical_mmy, str):
+        errors.append({
+            "field": "numericalMmy",
+            "value": numerical_mmy,
+            "error": "Must be a string value"
+        })
+
+    return len(errors) == 0, errors
 
 def run_check(config):
     # We expect config to contain:
@@ -74,7 +180,7 @@ def run_check(config):
     if expected_file.lower().endswith('.json'):
         try:
             with open(expected_path, 'r', encoding='utf-8') as f:
-                json.load(f)
+                linkingrecord_data = json.load(f)
         except json.JSONDecodeError as e:
             return {
                 "status": "failed",
@@ -113,10 +219,35 @@ def run_check(config):
                 }
             }
 
+        # Validate header fields if this is a linkingrecord.json file
+        if expected_file.lower() == 'linkingrecord.json':
+            is_valid, header_errors = validate_linkingrecord_header(linkingrecord_data)
+            if not is_valid:
+                return {
+                    "status": "failed",
+                    "details": {
+                        "message": f"Linkingrecord header validation failed - {len(header_errors)} header field errors found",
+                        "header_validation_errors": header_errors
+                    }
+                }
+
+    # Scan for extraneous files (files not in the allowed whitelist)
+    extraneous_files = scan_for_extraneous_files(working_dir)
+    if extraneous_files:
+        return {
+            "status": "failed",
+            "details": {
+                "message": "Extraneous files found that are not allowed in asset packs.",
+                "extraneous_files": extraneous_files,
+                "allowed_types": [".jpg", ".jpeg", ".png", ".avif", ".json"],
+                "total_extraneous_count": len(extraneous_files)
+            }
+        }
+
     return {
         "status": "passed",
         "details": {
-            "message": f"{expected_file} found in {working_dir} and validated successfully.",
+            "message": f"{expected_file} found in {working_dir} and validated successfully. No extraneous files detected.",
             "extracted_dir": working_dir
         }
     }
\ No newline at end of file
diff --git a/profiles/ford_bnp.json b/profiles/ford_bnp.json
index 569f8c3..99459d7 100755
--- a/profiles/ford_bnp.json
+++ b/profiles/ford_bnp.json
@@ -83,5 +83,19 @@
             "working_dir": "__WORKING_DIR__",
             "linkingrecord_filename": "linkingrecord.json"
         }
+    },
+    {
+        "script": "checks.beltline_validation_check",
+        "config": {
+            "working_dir": "__WORKING_DIR__",
+            "linkingrecord_filename": "linkingrecord.json"
+        }
+    },
+    {
+        "script": "checks.extra_carousel_validation_check",
+        "config": {
+            "working_dir": "__WORKING_DIR__",
+            "linkingrecord_filename": "linkingrecord.json"
+        }
     }
 ]
\ No newline at end of file