AM01 — ZeroAmount

Last reviewed: 2026-05-01 · Curated by Ohmyfin Organisation editorial.

AM01 (ZeroAmount) is an ISO 20022 ExternalReturnReason code used in pacs.002 / MT103 STP rejection messages on the SWIFT network. The payment amount is zero.

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36-character UUID from your MT103 field 121 or pacs.008 <UETR> tag. Where to find it →

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Details

Why it happens: Almost always a system error in the originating bank or ERP.

How to fix it: Re-issue the payment with the correct amount.

When a bank rejects a SWIFT payment with AM01, you usually receive the code along with an MT103-STP, MT n96, or pacs.002 message. Your bank may relay the code to you with a plain-English explanation. If they don't, paste your UETR into the Ohmyfin tracker — the rejection status will show in the SWIFT GPI feed.

AM01 is part of the global ExternalReturnReason1Code code set maintained by ISO 20022. The same code is used by SWIFT, SEPA, FedNow, TARGET2 and most modern payment rails worldwide.

Key facts

Code: AM01
Full name: ZeroAmount
Standard: ISO 20022 ExternalReturnReason1Code
Carried in: pacs.002, MT103 STP rejection, MT n96
Visible on Ohmyfin: yes — paste your UETR to see the full rejection trail

Frequently asked questions

What does SWIFT reject code AM01 mean?

The payment amount is zero.

How do I fix a AM01 rejection?

Re-issue the payment with the correct amount.

Will I get my money back after a AM01 rejection?

Yes. SWIFT rejections automatically return the funds to the originator's account, usually within 1–5 business days. Some banks credit immediately; others wait for the actual return wire.

Can I re-send the same payment after AM01?

Yes — once you fix the underlying issue, you can re-send with a new UETR. Do NOT re-send with the same UETR; that triggers AM05 (Duplication).

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SWIFT, SWIFTNet, SWIFT GPI, SWIFT Go, UETR, BIC, MT, MX, FIN, pacs.008, pacs.009, camt, ISO 20022 and related message-type identifiers, codes and logos are trademarks, service marks or registered marks of Society for Worldwide Interbank Financial Telecommunication SCRL (S.W.I.F.T. SC), with registered office at Avenue Adèle 1, 1310 La Hulpe, Belgium, and/or ISO 20022 Registration Authority. IBAN is published under ISO 13616. Visa, Mastercard, SEPA, Fedwire, FedNow, CHAPS, TARGET2, RTGS and all bank names, brand names, BIC codes and logos referenced on this site are the property of their respective owners and are used purely for descriptive and reference purposes under nominative fair use.

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AM01 — ZeroAmount

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