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AC01

Incorrect Account Number

IBAN или номер счёта получателя недействителен или не существует в банке получателя.

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

Получите правильный IBAN из банковской выписки получателя и проверьте его перед повторной отправкой.

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

→ Full AC01 reference (English)