POS Terminals Error Code
Systems & Devices
POS Terminals
SIGNATURE | Signature required
Industry
Systems & Devices
Canonical
/systems/pos-terminals/error-codes/signature-required/
Last Updated
Feb 27, 2026
Summary
The transaction is approved or conditionally approved but requires signature verification per the processing rules.
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What This Code Means
Signature prompts occur when the processing rules for the card/product/transaction type indicate signature capture is required. The transaction may already be approved, but completion requires the merchant to follow the verification step.
Where Users Usually See This Code
- Card-present approvals on certain card products
- Offline or fallback scenarios (processor-dependent)
Why This Code Appears
- Card network rules require signature
- Terminal is configured to prompt for signature on certain amounts
What Typically Happens Next
- Merchant captures signature and completes the sale
What This Code Is Not
- It is not a decline reason
- It is not a terminal malfunction
Troubleshooting Checklist
- □ Follow on-screen prompts and capture the signature if required
- □ Keep receipt records per your processor/acquirer policy
Notes And Edge Cases
Signature requirements vary by network and region; rely on your processor’s configured rules.
Related Codes
8 links
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