NAB POS Code 91

A POS message of 91 on your NAB device means: Issuer not available.. We’ve outlined more details on what to do when you see this code below.

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Fix NAB POS Response Code 91

In this article, we’ll look at why you’re seeing the code 91 on your NAB terminal and the next steps you can take.

What is a Response Code 91?

The response code 91 for this merchant, NAB, means that the issuer of the card used for the transaction is not available. In simple terms, it means that the bank or financial institution that issued the card is currently unable to process the transaction. As a result, the merchant should decline the transaction and not proceed with it. This response code indicates that there may be an issue with the cardholder’s bank or the network connecting the merchant and the bank. Therefore, it is best for the merchant to avoid accepting the payment to prevent any potential problems or complications.

What do I do?

When the POS operator sees Response Code 91, which means “Issuer not available” for the NAB merchant, they should decline the transaction. This code indicates that the bank or financial institution that issued the customer’s card is currently unavailable or unable to process the transaction. Therefore, it is best to decline the transaction to avoid any potential issues or errors. The POS operator should inform the customer about the issue and suggest trying a different payment method or contacting their card issuer for further assistance. It is important to prioritize the security and reliability of the transaction process.

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If you need more information on how to deal with a response code of 91 showing on your NAB terminal, we recommend that you speak to your NAB Bank Account Manager. If you’re looking for help with knowing what POS options are available, get in touch with one of our POS Experts.

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