Visa 12.6.2 — Paid by Other Means
Processing Error chargeback.
Code
12.6.2 VisaCategory
Processing Error
What it means
The cardholder paid with another method (cash, other card) but was also charged.
Evidence that wins
Proof that the other payment was for a different purchase.
How to prevent it
Reconcile payments before charging.
Rules and deadlines differ by region and acquirer — always check the instructions in your PSP dashboard.