American Express Reason Code C05

What is

American Express Reason Code C05

?

The cardmember cancelled the order or service before it was fulfilled, but was still charged.

Why this happens

A cancellation request came in before fulfillment, but the charge wasn't reversed in time.

What this means for each merchant

Your cancellation policy and the order's fulfillment status at time of cancellation are the key evidence.

Evidence that typicalls wins this

Order fulfillment timeline and your stated cancellation policy/cutoff.

How to fight it

Submit your cancellation policy and the order's fulfillment timeline relative to the cancellation request.

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Common mistakes

No clear, documented cutoff for when an order can no longer be cancelled.

How to prevent it

Display your cancellation window clearly at checkout and lock orders once fulfillment begins.

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