ToolerCat / Chargeback Reason Codes / Visa 12.4 — Incorrect Account Number

Visa 12.4 — Incorrect Account Number

Processing Error chargeback.

Code
12.4 Visa
Category
Processing Error
What it means
The transaction was processed to a wrong card number.
Evidence that wins
Proof the account number was correct.
How to prevent it
Use tokenization and Luhn validation.

Rules and deadlines differ by region and acquirer — always check the instructions in your PSP dashboard.

All chargeback codes → Decline codes