POS Systems Error Code
Systems & Devices
POS Systems
43 | Stolen card
Industry
Systems & Devices
Canonical
/systems/pos-systems/error-codes/43/
Last Updated
Feb 27, 2026
Summary
The issuer indicates the card is reported stolen; the authorization should be declined.
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What This Code Means
Response code 43 indicates the issuer has flagged the card as stolen. The transaction should not proceed and the cardholder needs to contact their issuer. Handling instructions (including any “retain” messaging) depend on merchant and acquirer policies.
Where Users Usually See This Code
- POS authorization declines on blocked cards
- Processor logs showing card status declines
Why This Code Appears
- The issuer marked the card stolen
- Issuer security systems blocked the card
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What Typically Happens Next
- The transaction is declined
- Customer uses another payment method
What This Code Is Not
- It is not a merchant ID/configuration problem
- It is not a temporary network error
Troubleshooting Checklist
- □ Do not retry the same transaction repeatedly
- □ Advise the customer to contact their issuer
- □ Follow acquirer guidance and prioritize staff safety
Notes And Edge Cases
Decline codes can be mis-mapped across processors; confirm with your acquirer’s documentation.
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Related Codes
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