Visa 12.5 — Incorrect Amount
Processing Error chargeback.
Code
12.5 VisaCategory
Processing Error
What it means
The amount charged differs from the amount on the receipt / agreement.
Evidence that wins
Receipt or order showing the settled amount matches the agreed one.
How to prevent it
Capture exactly the authorized/agreed amount; explain tips and surcharges.
Rules and deadlines differ by region and acquirer — always check the instructions in your PSP dashboard.