diff --git a/database/seed-master-data.sql b/database/seed-master-data.sql
index 8cde37d..69153ab 100644
--- a/database/seed-master-data.sql
+++ b/database/seed-master-data.sql
@@ -273,9 +273,9 @@ SELECT code, name, "tableName", description, "displayOrder", true FROM (VALUES
   ('vehicle-category', 'Vehicle Category', 'tbl_vehicle_categories', 'Vehicle Category master', 43),
   ('cabin-preference', 'Cabin Preference', 'tbl_cabin_preferences', 'Cabin Preference master', 44),
   ('airline-preference', 'Airline Preference', 'tbl_airline_preferences', 'Airline Preference master', 45),
-  ('seat-type', 'Seat Type', 'tbl_seat_types', 'Seat Type master', 46),
-  ('meal-category', 'Meal Category', 'tbl_meal_categories', 'Meal Category master', 47),
-  ('seat-category', 'Seat Category', 'tbl_seat_categories', 'Seat Category master', 48)
+  ('meal-category', 'Meal Category', 'tbl_meal_categories', 'Meal Category master', 46),
+  ('seat-category', 'Seat Category', 'tbl_seat_categories', 'Seat Category master', 47),
+  ('compensation-basis', 'Compensation Basis', 'tbl_compensation_bases', 'Compensation Basis master', 48)
 ) AS t(code, name, "tableName", description, "displayOrder")
 WHERE NOT EXISTS (SELECT 1 FROM masters.tbl_rules_categories WHERE masters.tbl_rules_categories.code = t.code);
 
@@ -328,9 +328,9 @@ FROM (VALUES
   ('vehicle-category', 'tbl_vehicle_categories'),
   ('cabin-preference', 'tbl_cabin_preferences'),
   ('airline-preference', 'tbl_airline_preferences'),
-  ('seat-type', 'tbl_seat_types'),
   ('meal-category', 'tbl_meal_categories'),
-  ('seat-category', 'tbl_seat_categories')
+  ('seat-category', 'tbl_seat_categories'),
+  ('compensation-basis', 'tbl_compensation_bases')
 ) AS v(code, "tableName")
 WHERE c.code = v.code AND (c."tableName" IS NULL OR c."tableName" != v."tableName");
 
@@ -785,3 +785,12 @@ SELECT label, value, true FROM (VALUES
   ('Extra Legroom', 'extra-legroom')
 ) AS t(label, value)
 WHERE NOT EXISTS (SELECT 1 FROM masters.tbl_seat_categories WHERE masters.tbl_seat_categories.value = t.value);
+
+-- 51. Compensation Bases
+INSERT INTO masters.tbl_compensation_bases (label, value, "isActive")
+SELECT label, value, true FROM (VALUES
+  ('Regulatory Rule', 'regulatory-rule'),
+  ('Airline Policy', 'airline-policy'),
+  ('Percentage Difference', 'percentage-difference')
+) AS t(label, value)
+WHERE NOT EXISTS (SELECT 1 FROM masters.tbl_compensation_bases WHERE masters.tbl_compensation_bases.value = t.value);
diff --git a/src/modules/master-data/master-data.module.ts b/src/modules/master-data/master-data.module.ts
index b5ed581..14aaad1 100644
--- a/src/modules/master-data/master-data.module.ts
+++ b/src/modules/master-data/master-data.module.ts
@@ -57,6 +57,7 @@ import { CabinPreference } from './entities/cabin-preference.entity';
 import { AirlinePreference } from './entities/airline-preference.entity';
 import { MealCategory } from './entities/meal-category.entity';
 import { SeatCategory } from './entities/seat-category.entity';
+import { CompensationBasis } from './entities/compensation-basis.entity';
 
 @Module({
   imports: [
@@ -114,6 +115,7 @@ import { SeatCategory } from './entities/seat-category.entity';
       AirlinePreference,
       MealCategory,
       SeatCategory,
+      CompensationBasis,
     ]),
   ],
   controllers: [MasterDataController],
diff --git a/src/modules/master-data/master-data.service.ts b/src/modules/master-data/master-data.service.ts
index 3365b1d..c98a5ad 100644
--- a/src/modules/master-data/master-data.service.ts
+++ b/src/modules/master-data/master-data.service.ts
@@ -58,6 +58,7 @@ import { CabinPreference } from './entities/cabin-preference.entity';
 import { AirlinePreference } from './entities/airline-preference.entity';
 import { MealCategory } from './entities/meal-category.entity';
 import { SeatCategory } from './entities/seat-category.entity';
+import { CompensationBasis } from './entities/compensation-basis.entity';
 
 import { CreateActionCategoryDto } from './dto/create-action-category.dto';
 import { UpdateActionCategoryDto } from './dto/update-action-category.dto';
@@ -127,6 +128,7 @@ export class MasterDataService implements OnModuleInit {
     @InjectRepository(AirlinePreference) private airlinePreferenceRepo: Repository<AirlinePreference>,
     @InjectRepository(MealCategory) private mealCategoryRepo: Repository<MealCategory>,
     @InjectRepository(SeatCategory) private seatCategoryRepo: Repository<SeatCategory>,
+    @InjectRepository(CompensationBasis) private compensationBasisRepo: Repository<CompensationBasis>,
   ) { }
 
   private getRepositoryByCategory(category: string): Repository<any> {
@@ -343,6 +345,10 @@ export class MasterDataService implements OnModuleInit {
       case 'TBL_SEAT_CATEGORIES':
         return this.seatCategoryRepo;
 
+      case 'COMPENSATION_BASIS':
+      case 'TBL_COMPENSATION_BASES':
+        return this.compensationBasisRepo;
+
       default:
         throw new BadRequestException(`Invalid category: ${category}`);
     }