diff --git a/backend/app/plugins/wiaas/includes/api/class-wiaas-rest-delivery-process-api.php b/backend/app/plugins/wiaas/includes/api/class-wiaas-rest-delivery-process-api.php
index 2bb499b..e575199 100644
--- a/backend/app/plugins/wiaas/includes/api/class-wiaas-rest-delivery-process-api.php
+++ b/backend/app/plugins/wiaas/includes/api/class-wiaas-rest-delivery-process-api.php
@@ -13,6 +13,7 @@ class Wiass_REST_Delivery_Process_API {
 	const DECLINE_REASON_FIELD_ID = 10;
 	const UPLOADED_FILES_FIELD_ID = 12;
 
+	const USER_INPUT_STEP_NAME = 'Upload acceptance file';
 	const ACCEPT_STATUS_LABEL = 'accept';
 	const DECLINE_STATUS_LABEL = 'decline';
 
@@ -171,8 +172,13 @@ class Wiass_REST_Delivery_Process_API {
 			return self::generate_wiaas_response('INTERNAL_SERVER_ERROR', 'error');
 		}
 
+		//Check if step is already completed, to not submit again 
 		$gf_api = new Gravity_Flow_API($entry['form_id']);
 		$current_step = $gf_api->get_current_step($entry);
+		if ($current_step->get_name() !== self::USER_INPUT_STEP_NAME){
+			return self::generate_wiaas_response('ACCEPTANCE_STATUS_UPDATED', 'success');
+		}
+
 		if ( $current_step ) {
 			$current_step->purge_assignees();
 			$current_step->update_step_status( 'complete' );
diff --git a/frontend/src/constants/ordersConstants.js b/frontend/src/constants/ordersConstants.js
index 76c8c2c..b2d9b2e 100644
--- a/frontend/src/constants/ordersConstants.js
+++ b/frontend/src/constants/ordersConstants.js
@@ -85,7 +85,8 @@ export const orderMessages = {
 
     NO_FILES_UPLOADED: 'You need to upload the acceptance document',
     INTERNAL_SERVER_ERROR: 'Error occured. Please try again',
-    ACCEPTANCE_STATUS_MISSING: 'Acceptance action not selected'
+    ACCEPTANCE_STATUS_MISSING: 'Acceptance action not selected',
+    ACCEPTANCE_STATUS_UPDATED: 'Acceptance status updated'
 
 };