Reference pagesReason codes

Processing error

American Express P22: Non-Matching Card Number

An American Express dispute reason code, what it asks you to prove, and what Do The Proof puts in the response.

What this code means

Number not on cardmember account

What the network says wins it

Card imprint confirming the Card Account

or the terminal's Transaction Receipt Record

  • Authorization and processing records

How the app handles it

Arrives in the app as: General

How long you have to respond

Merchant response
20 days from the inquiry or chargeback notice

Where this comes from

Other American Express processing error codes

Do The Proof drafts dispute responses for Shopify stores.

You pay when a dispute is won. Not before.

.myshopify.com