Discover Reason Code AT

What is

Discover Reason Code AT

?

The cardholder says the charged amount was altered from what they agreed to.

Why this happens

A receipt or charge amount was modified (e.g., a tip added) without the cardholder's clear consent.

What this means for each merchant

Your order and receipt records proving the agreed amount are the core defense.

Evidence that typicalls wins this

Order record and receipt showing the amount agreed to by the customer.

How to fight it

Submit order/receipt records showing the charged amount matches what was agreed.

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Common mistakes

Adjusting a charge amount after the fact without documented customer consent.

How to prevent it

Get explicit, documented consent for any post-authorization amount adjustment.

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