diff --git a/app/Classes/Modules/Bookings/ControllersLogic/CreatePaymentVerificationDocumentLogic.php b/app/Classes/Modules/Bookings/ControllersLogic/CreatePaymentVerificationDocumentLogic.php
index cd39e81a..82d39b74 100644
--- a/app/Classes/Modules/Bookings/ControllersLogic/CreatePaymentVerificationDocumentLogic.php
+++ b/app/Classes/Modules/Bookings/ControllersLogic/CreatePaymentVerificationDocumentLogic.php
@@ -3,6 +3,7 @@
 namespace App\Classes\Modules\Bookings\ControllersLogic;
 
 use App\Classes\Exceptions\CriteriaNotFulfilledException;
+use App\Classes\Exceptions\MalformedRequestException;
 use App\Classes\General\Abstracts\AbstractControllerLogic;
 use App\Classes\Modules\Bookings\DataTransferObjects\CreatePaymentVerificationDocumentDTO;
 use App\Classes\Modules\Companies\Services\FetchesCompany;
@@ -21,6 +22,7 @@ use App\Models\Company;
 use App\Models\Document;
 use Illuminate\Http\JsonResponse;
 use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Log;
 
 class CreatePaymentVerificationDocumentLogic extends AbstractControllerLogic
 {
@@ -93,6 +95,19 @@ class CreatePaymentVerificationDocumentLogic extends AbstractControllerLogic
 
         $object = new DocumentObject(DocumentType::CUSTOMER_PAYMENT_PROOF, $request->input('files'), '', ApprovalStatus::PENDING_VERIFICATION, 'payments');
 
+        $hasExcel = false;
+        foreach ($object->getFiles() as $file) {
+            $decodedFile = json_decode($file);
+            if (($decodedFile->extension) === 'excel') {
+                $hasExcel = true;
+                break;
+            }
+        }
+
+        if ($hasExcel) {
+            throw new MalformedRequestException("Please upload files in PDF, JPEG, or PNG format.");
+        }
+
         /** @var Document $document */
         $document = $this->createsDocument->execute($transaction, $object);