Response Code for Zero Amount Authorization {#zero-am-auth-resp-codes}
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**Effective date:**April 12, 2024  
**Processor:** `Visa Platform Connect`  
**Regions:**All  
**Services:**Zero Amount Authorization request and response  
**Feature**  
As of April 12, 2024, Visa is supporting response code value `Z5` (valid account, but amount is not supported). Merchants receive response code `Z5` when the anticipated amount mentioned in the transaction exceeded the account limit or available funds.  
**Acquirers**  
Acquirers must support response code `Z5` (valid account, but amount is not supported) in responses.  
**Merchants**  
Merchants must be prepared to receive value `Z5` (valid account, but amount is not supported) in this field in an authorization response:

* **REST API:** processorInformation.responseCode
* **SCMP API:** auth_auth_response
* **Simple Order API:** ccAuthReply_processorResponse