Amex A02
No valid authorisation
The charge was submitted without a valid approval. Either you hold an approval code covering the amount and date, or you do not. If you do not, the dispute is correct and evidence cannot change it.
The evidence this code accepts
- 1
The approval code
The only item that answers this code.
- 2
The approval date
Must support the submission date.
- 3
Amount approved against amount charged
A charge above the approval fails separately.
Where sellers lose this one
- They send the order confirmation instead of the approval code.
Build the pack for Amex A02
4 questions specific to this code, plus the order and the notice. No account. You see the assessment and what is missing before you pay anything.
USD 9.90 a pack when you get it. This prepares your evidence; the card network decides.
Rules checked 2026-09. Sources. Network rules change; if you find this page out of date, tell us and we will correct it.