Amex A01

Charge amount exceeds authorisation amount

The amount charged is higher than the amount approved. The evidence is the two numbers and any term that permitted the difference, accepted by the cardmember before the charge.

The evidence this code accepts

1
Amount approved
The ceiling you were allowed to charge.
2
Amount charged
The number in dispute.
3
The term permitting the difference
A tip, a fee or a shipping addition needs a disclosed basis.
4
Customer agreement to a revised total
A written agreement settles it quickly.

Where sellers lose this one

A fee was added with nothing disclosing it.

Build the pack for Amex A01

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 Network rules change; if you find this page out of date, tell us and we will correct it.