Reference pagesReason codes
Fraud
Discover UA01: Fraud - Card Present
A Discover dispute reason code, what it asks you to prove, and what Do The Proof puts in the response.
What this code means
Unauthorized CP charge
What the network says wins it
AUTH: chip/swipe, signed receipt
- Authorization and processing records
Discover does not publish per-code dispute rules, so this page carries no quoted guidance on what wins.
How the app handles it
Arrives in the app as: Fraudulent
Proof this usually needs
- Customer email
- Billing address
- Shipping address
- Tracking number
- Delivery confirmation
- Customer name
- Checkout IP
- Access activity
What the app cannot collect for you
Access activity. If you have login, download or usage records for this customer, add them to your dispute response. Records like these live on your own systems rather than in Shopify, so they have to come from you.
How long you have to respond
- Cardholder dispute window
- 120 days, or 540 days for non-receipt and quality, or 730 days for good faith
Where this comes from
- Stripe, reason code categories Accessed 8 September 2026.
Other Discover fraud codes
Do The Proof drafts dispute responses for Shopify stores.
You pay when a dispute is won. Not before.