AC01

Incorrect Account Number

Mottagarens IBAN eller kontonummer är ogiltigt eller finns inte hos den mottagande banken.

AC01 is the most common SWIFT reject code. It means the account number provided (usually an IBAN) either fails the check-digit validation or does not match any account at the beneficiary bank.

Most AC01 rejections are caused by a single transposed digit in the IBAN. The IBAN check-digit algorithm catches many of these before the payment even leaves the bank — but not all errors are caught at entry.

Funds are returned within 2–5 business days. Get the correct IBAN directly from the beneficiary's bank statement or account-opening letter before resending.

How to fix AC01

Hämta rätt IBAN från mottagarens kontoutdrag och verifiera det innan du skickar igen.

Track your payment by UETR — free on Ohmyfin: SWIFT-spårare

→ Full AC01 reference (English)