diff --git a/app/main.py b/app/main.py
index 377b455..32761d5 100644
--- a/app/main.py
+++ b/app/main.py
@@ -365,11 +365,11 @@ async def upload_multiple_documents(
 
 
 @app.post(
-    "/process",
+    "/process/{file_id}",
     response_model=DocumentProcessResponse,
     tags=["Document Processing"],
 )
-async def process_document(request: DocumentProcessRequest, db: db_dependency):
+async def process_document(file_id: str, request: DocumentProcessRequest, db: db_dependency):
     """
     Process a previously uploaded document to extract receipt information.
 
@@ -381,10 +381,10 @@ async def process_document(request: DocumentProcessRequest, db: db_dependency):
     """
     try:
         # Get file info from database
-        db_uploaded_file = get_uploaded_file_from_db(db, request.file_id)
+        db_uploaded_file = get_uploaded_file_from_db(db, file_id)
         if not db_uploaded_file:
             raise HTTPException(
-                status_code=404, detail=f"File {request.file_id} not found"
+                status_code=404, detail=f"File {file_id} not found"
             )
 
         # Process the file using the stored file path
@@ -406,8 +406,8 @@ async def process_document(request: DocumentProcessRequest, db: db_dependency):
 
         # Create database receipt object
         db_receipt = DBReceipt(
-            receipt_id=f"receipt_{request.file_id}",
-            file_id=request.file_id,
+            receipt_id=f"receipt_{file_id}",
+            file_id=file_id,
             amount=receipt_data.get("total_amount", 0.0),
             date=receipt_date,
             vendor=receipt_data.get("vendor", ""),
@@ -433,7 +433,7 @@ async def process_document(request: DocumentProcessRequest, db: db_dependency):
         db.commit()
 
         return DocumentProcessResponse(
-            file_id=request.file_id,
+            file_id=file_id,
             receipt_id=db_receipt.receipt_id,
             extraction_success=receipt_data.get("extraction_success", False),
             vendor=receipt_data.get("vendor", ""),
@@ -579,8 +579,8 @@ async def match_specific_receipts(request: MatchSpecificRequest, db: db_dependen
             for result in matching_results:
                 # Get final tax amount from LLM analysis if available, otherwise use receipt's stated tax
                 final_tax = result.receipt.tax
-                if result.tax_analysis and "final_tax_amount" in result.tax_analysis:
-                    final_tax = result.tax_analysis["final_tax_amount"]
+                # if result.tax_analysis and "final_tax_amount" in result.tax_analysis:
+                #     final_tax = result.tax_analysis["final_tax_amount"]
 
                 match_response = MatchResponse(
                     receipt_id=result.receipt.id,
diff --git a/app/schemas.py b/app/schemas.py
index 1e3e5f9..61a438e 100644
--- a/app/schemas.py
+++ b/app/schemas.py
@@ -161,7 +161,7 @@ class DocumentUploadResponse(BaseModel):
 
 
 class DocumentProcessRequest(BaseModel):
-    file_id: str
+    file_id: Optional[str] = None
     user_location: Optional[str] = (
         None  # Format: "State/Province, Country" (e.g., "Ontario, Canada")
     )
diff --git a/app/services/document_processor.py b/app/services/document_processor.py
index 7473509..dbf1e27 100644
--- a/app/services/document_processor.py
+++ b/app/services/document_processor.py
@@ -108,6 +108,7 @@ class DocumentProcessor:
               * For other locations, estimate based on typical rates
             - Store calculated tax in "calculated_tax" field (set to null if tax clearly shown)
             - If tax is clearly shown on receipt, use that value for tax_amount and set calculated_tax to null
+            - If tax is clearly shown on the receipt as 0%, set tax_amount to 0 and calculated_tax to null
             
             DEPRECIATION RULES:
             - Determine if item is a depreciable asset (vehicles, machinery, equipment, computers, furniture, buildings)
diff --git a/app/services/matching_engine.py b/app/services/matching_engine.py
index 4acba49..9f86fe0 100644
--- a/app/services/matching_engine.py
+++ b/app/services/matching_engine.py
@@ -51,22 +51,22 @@ class MatchingEngine:
             enhanced_matches = self._apply_manual_tax_analysis(
                 ai_matches, user_location
             )
-        else:
-            # Use LLM-based tax analysis in a SINGLE batch call
-            try:
-                enhanced_matches = (
-                    self.llm_tax_analyzer.analyze_and_apply_tax_rules_batch(
-                        ai_matches, user_location
-                    )
-                )
-            except Exception as e:
-                # If batch LLM analysis fails, log it and continue with matches as-is
-                import logging
+        # else:
+        #     # Use LLM-based tax analysis in a SINGLE batch call
+        #     try:
+        #         enhanced_matches = (
+        #             self.llm_tax_analyzer.analyze_and_apply_tax_rules_batch(
+        #                 ai_matches, user_location
+        #             )
+        #         )
+        #     except Exception as e:
+        #         # If batch LLM analysis fails, log it and continue with matches as-is
+        #         import logging
 
-                logging.error(f"Batch LLM tax analysis failed: {str(e)}")
-                for match in ai_matches:
-                    match.match_reason += " (Note: Advanced tax analysis unavailable)"
-                enhanced_matches = ai_matches
+        #         logging.error(f"Batch LLM tax analysis failed: {str(e)}")
+        #         for match in ai_matches:
+        #             match.match_reason += " (Note: Advanced tax analysis unavailable)"
+        #         enhanced_matches = ai_matches
 
         return enhanced_matches