diff --git a/app/Http/Controllers/BookingController.php b/app/Http/Controllers/BookingController.php
index d87f5d84..c889e9cd 100644
--- a/app/Http/Controllers/BookingController.php
+++ b/app/Http/Controllers/BookingController.php
@@ -249,9 +249,40 @@ class BookingController extends Controller
             return response()->json(['message'=>'Access denied'], 200);   
         }
 
+        // Rejected bankslip cannot be approve again
+        if($userBankSlip->is_reject == 1)
+        {
+            return response()->json(['message'=>'Bankslip already rejected'],200);    
+        }
+
         $userBankSlip->is_approve = 1;
         $userBankSlip->save();
         return response()->json(['message'=>'Success'],200);
     }
 
+    public function rejectBankSlip(Request $request, $book_id)
+    {
+        if (!$Booking = Booking::where('user_id',Auth::user()->id)->where('id',$book_id)->first())
+        {
+            return response()->json(['message'=>'Access denied'], 200);
+        }
+
+        if(!$userBankSlip = UserBankSlip::where('book_id',$Booking->id)->first())
+        {
+            return response()->json(['message'=>'Access denied'], 200);   
+        }
+
+        // approved bankslip cannot be reject again
+        if($userBankSlip->is_approve == 1)
+        {
+            return response()->json(['message'=>'Bankslip already approved'],200);    
+        }
+
+        $userBankSlip->is_reject = 1;
+        $userBankSlip->reject_reason = $request->reject_reason;
+        $userBankSlip->save();
+
+        return response()->json(['message'=>'Success'],200);
+    }
+
 }
diff --git a/database/migrations/2018_06_18_104015_add_reject_user_bank_slip_table.php b/database/migrations/2018_06_18_104015_add_reject_user_bank_slip_table.php
new file mode 100644
index 00000000..f4d35ea3
--- /dev/null
+++ b/database/migrations/2018_06_18_104015_add_reject_user_bank_slip_table.php
@@ -0,0 +1,36 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class AddRejectUserBankSlipTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('user_bank_slips', function (Blueprint $table) {
+            $table->boolean('is_reject')->default('0');
+            $table->string('reject_reason')->nullable();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        if (Schema::hasColumn('user_bank_slips', 'is_reject')) {
+            Schema::table('user_bank_slips', function (Blueprint $table) {
+                // $table->dropColumn('is_reject');
+                // $table->dropColumn('reject_reason');
+            });
+        }
+    }
+}
diff --git a/routes/api.php b/routes/api.php
index 623427df..9c012662 100644
--- a/routes/api.php
+++ b/routes/api.php
@@ -81,6 +81,7 @@ Route::delete('setting-supplier/{supplier}', 'SettingSupplierController@delete')
 
 Route::post('upload-china-bankslip', 'ChinaBankSlipController@store');
 
+Route::post('booking/{book_id}/reject-bank-slip','BookingController@rejectBankSlip');
 Route::post('booking/{book_id}/approve-bank-slip','BookingController@approveBankSlip');
 Route::post('booking/{book_id}/cancel', 'BookingController@cancel');
 Route::post('booking/{id}/upload-user-bankslip', 'BookingController@uploadbankslip');
diff --git a/tests/Feature/BookingTest.php b/tests/Feature/BookingTest.php
index c0e2a0b0..938583ba 100644
--- a/tests/Feature/BookingTest.php
+++ b/tests/Feature/BookingTest.php
@@ -117,4 +117,14 @@ class BookingTest extends TestCase
             ->json('POST','/api/booking/' . $this->booking->id . '/approve-bank-slip', [])
             ->assertSuccessful();
     }
+
+
+    public function testRejectBankSlip()
+    {
+        $this->actingAs($this->user)
+            ->json('POST','/api/booking/' . $this->booking->id . '/reject-bank-slip', [
+                'reject_reason' => 'Amount no enough'
+            ])
+            ->assertSuccessful();
+    }
 }