diff --git a/src/AtolOnlineClient/Request/V4/ReceiptPaymentRequest.php b/src/AtolOnlineClient/Request/V4/ReceiptPaymentRequest.php
index 9ad48fb..eccf3c5 100644
--- a/src/AtolOnlineClient/Request/V4/ReceiptPaymentRequest.php
+++ b/src/AtolOnlineClient/Request/V4/ReceiptPaymentRequest.php
@@ -9,6 +9,7 @@ use JMS\Serializer\Annotation as Serializer;
  */
 class ReceiptPaymentRequest
 {
+    const TYPE_CASH = 0;
     const TYPE_ELECTRON = 1;
     //аванс
     const TYPE_PREPAY = 2;