Amex · F31Fraud22% industry win rate
EMV Lost/Stolen/Non-Received
Lost/stolen card at non-EMV terminal.
Required evidence
- Chip+PIN records
Playbook
Prove chip authentication used.
Amavest auto-bundles this
When a dispute hits your Stripe account with code F31, Amavest pulls the evidence above, drafts the response, and submits it before the deadline.
Related fraud codes
Frequently asked questions
- What does Amex chargeback reason code F31 mean?
- Lost/stolen card at non-EMV terminal.
- What is the win rate for Amex F31 disputes?
- Industry-observed representment win rate for Amex F31 (EMV Lost/Stolen/Non-Received) averages around 22% when the correct evidence is submitted within the network's response window.
- What evidence is required to fight a Amex F31 chargeback?
- To dispute Amex F31, acquirers typically require: Chip+PIN records.
- How should a merchant respond to a Amex F31 dispute?
- Prove chip authentication used.