diff --git a/src/app.module.ts b/src/app.module.ts
index 5f49b87..f160032 100644
--- a/src/app.module.ts
+++ b/src/app.module.ts
@@ -19,6 +19,7 @@ import { ArchivalModule } from './modules/archival/archival.module';
 import { BankCodesModule } from './modules/bank-codes/bank-codes.module';
 import { OvertimeService } from './modules/business-logics/services/overtime.service';
 import { BusinessLogicsModule } from './modules/business-logics/business-logics.module';
+import { ShiftsValidationModule } from './modules/shifts/validation/shifts-validation.module';
 
 @Module({
   imports: [
@@ -36,6 +37,7 @@ import { BusinessLogicsModule } from './modules/business-logics/business-logics.
       PayperiodsModule,
       PrismaModule,
       ShiftsModule,
+      ShiftsValidationModule,
       TimesheetsModule,
       UsersModule,
     ],
diff --git a/src/modules/shifts/shifts.module.ts b/src/modules/shifts/shifts.module.ts
index 09d63a1..57cd331 100644
--- a/src/modules/shifts/shifts.module.ts
+++ b/src/modules/shifts/shifts.module.ts
@@ -2,9 +2,13 @@ import { Module } from '@nestjs/common';
 import { ShiftsController } from './controllers/shifts.controller';
 import { ShiftsService } from './services/shifts.service';
 import { BusinessLogicsModule } from 'src/modules/business-logics/business-logics.module';
+import { ShiftsValidationModule } from './validation/shifts-validation.module';
 
 @Module({
-  imports: [BusinessLogicsModule],
+  imports: [
+    BusinessLogicsModule,
+    ShiftsValidationModule,
+  ],
   controllers: [ShiftsController],
   providers: [ShiftsService],
   exports: [ShiftsService],
diff --git a/src/modules/shifts/validation/controllers/shifts-validation.controller.ts b/src/modules/shifts/validation/controllers/shifts-validation.controller.ts
index f5c7426..298808f 100644
--- a/src/modules/shifts/validation/controllers/shifts-validation.controller.ts
+++ b/src/modules/shifts/validation/controllers/shifts-validation.controller.ts
@@ -45,7 +45,7 @@ export class ShiftsValidationController {
             ].join(',');
         }).join('\n');
 
-        return Buffer.from(header + body, 'utf8');
+        return Buffer.from('\uFEFF' + header + body, 'utf8');
     }
     
 }
\ No newline at end of file
diff --git a/src/modules/shifts/validation/shifts-validation.service.ts b/src/modules/shifts/validation/shifts-validation.module.ts
similarity index 100%
rename from src/modules/shifts/validation/shifts-validation.service.ts
rename to src/modules/shifts/validation/shifts-validation.module.ts