diff --git a/src/main/java/de/avatic/lcc/repositories/bulk/BulkOperationRepository.java b/src/main/java/de/avatic/lcc/repositories/bulk/BulkOperationRepository.java
index f9335cf..1fc0201 100644
--- a/src/main/java/de/avatic/lcc/repositories/bulk/BulkOperationRepository.java
+++ b/src/main/java/de/avatic/lcc/repositories/bulk/BulkOperationRepository.java
@@ -69,38 +69,38 @@ public class BulkOperationRepository {
         // First, update sys_error records to set bulk_operation_id to NULL
         // for bulk operations that will be deleted (all but the 10 newest for the current user)
         String updateErrorsSql = """
-            UPDATE sys_error 
-            SET bulk_operation_id = NULL 
-            WHERE bulk_operation_id IN (
-                SELECT id FROM (
-                    SELECT id 
-                    FROM bulk_operation 
-                    WHERE user_id = ? 
-                    AND state NOT IN ('SCHEDULED', 'PROCESSING')
-                    ORDER BY created_at DESC 
-                    LIMIT 18446744073709551615 OFFSET 10
-                ) AS old_operations
-            )
-            """;
+                UPDATE sys_error 
+                SET bulk_operation_id = NULL 
+                WHERE bulk_operation_id IN (
+                    SELECT id FROM (
+                        SELECT id 
+                        FROM bulk_operation 
+                        WHERE user_id = ? 
+                        AND state NOT IN ('SCHEDULED', 'PROCESSING')
+                        ORDER BY created_at DESC 
+                        LIMIT 18446744073709551615 OFFSET 10
+                    ) AS old_operations
+                )
+                """;
 
         jdbcTemplate.update(updateErrorsSql, userId);
 
         // Then delete the old bulk_operation entries (keeping only the 10 newest for the current user)
         String deleteBulkSql = """
-            DELETE FROM bulk_operation 
-            WHERE user_id = ? 
-            AND state NOT IN ('SCHEDULED', 'PROCESSING')
-            AND id NOT IN (
-                SELECT id FROM (
-                    SELECT id 
-                    FROM bulk_operation 
-                    WHERE user_id = ? 
-                    AND state NOT IN ('SCHEDULED', 'PROCESSING')
-                    ORDER BY created_at DESC 
-                    LIMIT 10
-                ) AS newest_operations
-            )
-            """;
+                DELETE FROM bulk_operation 
+                WHERE user_id = ? 
+                AND state NOT IN ('SCHEDULED', 'PROCESSING')
+                AND id NOT IN (
+                    SELECT id FROM (
+                        SELECT id 
+                        FROM bulk_operation 
+                        WHERE user_id = ? 
+                        AND state NOT IN ('SCHEDULED', 'PROCESSING')
+                        ORDER BY created_at DESC 
+                        LIMIT 10
+                    ) AS newest_operations
+                )
+                """;
 
         jdbcTemplate.update(deleteBulkSql, userId, userId);
     }
@@ -119,10 +119,10 @@ public class BulkOperationRepository {
     @Transactional
     public List<BulkOperation> listByUserId(Integer userId) {
         String sql = """
-                SELECT id, user_id, bulk_file_type, bulk_processing_type, state, created_at
+                SELECT id, user_id, bulk_file_type, bulk_processing_type, state, created_at, validity_period_id
                 FROM bulk_operation
                 WHERE user_id = ?
-      
+                
                 ORDER BY created_at DESC LIMIT 10
                 """;
 
@@ -132,7 +132,7 @@ public class BulkOperationRepository {
     @Transactional
     public Optional<BulkOperation> getOperationById(Integer id) {
         String sql = """
-                SELECT id, user_id, bulk_file_type, bulk_processing_type, state, file, created_at
+                SELECT id, user_id, bulk_file_type, bulk_processing_type, state, file, created_at, validity_period_id
                 FROM bulk_operation
                 WHERE id = ?
                 """;
@@ -180,6 +180,12 @@ public class BulkOperationRepository {
             operation.setProcessingType(BulkProcessingType.valueOf(rs.getString("bulk_processing_type")));
             operation.setFileType(BulkFileType.valueOf(rs.getString("bulk_file_type")));
             operation.setProcessState(BulkOperationState.valueOf(rs.getString("state")));
+
+
+            operation.setValidityPeriodId(rs.getInt("validity_period_id"));
+            if (rs.wasNull())
+                operation.setValidityPeriodId(null);
+
             if (!skipFile)
                 operation.setFile(rs.getBytes("file"));
             operation.setCreatedAt(rs.getTimestamp("created_at").toLocalDateTime());
diff --git a/src/main/java/de/avatic/lcc/service/bulk/BulkImportService.java b/src/main/java/de/avatic/lcc/service/bulk/BulkImportService.java
index 91da7a3..04769c0 100644
--- a/src/main/java/de/avatic/lcc/service/bulk/BulkImportService.java
+++ b/src/main/java/de/avatic/lcc/service/bulk/BulkImportService.java
@@ -63,6 +63,7 @@ public class BulkImportService {
                     break;
                 case COUNTRY_MATRIX:
                     var matrixRates = matrixRateExcelMapper.extractSheet(sheet);
+                    matrixRates.forEach(System.out::println);
                     break;
                 case MATERIAL:
                     var materials = materialExcelMapper.extractSheet(sheet);
diff --git a/src/main/java/de/avatic/lcc/service/bulk/bulkImport/MaterialBulkImportService.java b/src/main/java/de/avatic/lcc/service/bulk/bulkImport/MaterialBulkImportService.java
index e4c2fa9..480c5d0 100644
--- a/src/main/java/de/avatic/lcc/service/bulk/bulkImport/MaterialBulkImportService.java
+++ b/src/main/java/de/avatic/lcc/service/bulk/bulkImport/MaterialBulkImportService.java
@@ -17,10 +17,6 @@ public class MaterialBulkImportService {
         this.materialRepository = materialRepository;
     }
 
-    private static String normalizePartNumber(String partNumber) {
-        if (partNumber.length() > 12) throw new IllegalArgumentException("Part number must be less than 12 characters");
-        return "000000000000".concat(partNumber).substring(partNumber.length());
-    }
 
     public void processMaterialInstructions(BulkInstruction<Material> instr) {
         BulkInstructionType instrType = instr.getType();