ToolerCat / Decline Codes / Decline code 54 — Expired card

Decline code 54 — Expired card

ISO 8583 response code 54.

Code
54 ISO 8583
Meaning
Expired card
Type
hard decline
Retry?
No (new expiry needed)
What to do
Ask for updated card details. Check the expiry you send (MMYY vs YYMM is a common bug).
Tell the customer
“Your card has expired.”

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