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ExternalStatusReason1Code

AM22 Reason Code: Zero Amount Not Applied

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AM22 means zero amount not applied in the ISO 20022 status reason code set. Unable to apply zero amount to designated account. For example, where the rules of a service allow the use of zero amount payments, however the back-office system is unable to apply the funds to the account. If the rules of a service prohibit the use of zero amount payments, then code AM01 is used to report the error condition.

Code
AM22
ISO name
ZeroAmountNotApplied
Status
Registered
Last updated
2016-04-01

Official definition

Unable to apply zero amount to designated account. For example, where the rules of a service allow the use of zero amount payments, however the back-office system is unable to apply the funds to the account. If the rules of a service prohibit the use of zero amount payments, then code AM01 is used to report the error condition.

Definition from the ISO 20022 External Code Sets, 2Q2026 (published 28 Aug 2026).

Messages and fields that use ExternalStatusReason1Code

MessageElement path
pacs.002TxInfAndSts/StsRsnInf/Rsn/Cd, OrgnlGrpInfAndSts/StsRsnInf/Rsn/Cd
pain.002OrgnlGrpInfAndSts/StsRsnInf/Rsn/Cd, OrgnlPmtInfAndSts/StsRsnInf/Rsn/Cd, OrgnlPmtInfAndSts/TxInfAndSts/StsRsnInf/Rsn/Cd
auth.027GrpSts/StsRsn/Rsn/Cd, PackgSts/StsRsn/Rsn/Cd, PackgSts/RcrdSts/StsRsn/Rsn/Cd
camt.025RctDtls/ReqHdlg/StsRsn/Rsn/Cd
camt.111InvstgtnRspn/InvstgtnData/RspnData/TxSts/StsRsnInf/Rsn/Cd
pain.014OrgnlGrpInfAndSts/StsRsnInf/Rsn/Cd, OrgnlPmtInfAndSts/StsRsnInf/Rsn/Cd, OrgnlPmtInfAndSts/TxInfAndSts/StsRsnInf/Rsn/Cd
reda.016PtySts/StsRsn/Rsn/Cd
reda.020SctiesAcctSts/StsRsn/Rsn/Cd
reda.047SctyCSDLkSts/StsRsn/Rsn/Cd
reda.051AcctLkSts/StsRsn/Rsn/Cd

And 8 more messages: see the ExternalStatusReason1Code page.

AM22 questions

What does AM22 mean in ISO 20022?
AM22 is Zero Amount Not Applied in the ExternalStatusReason1Code code set: Unable to apply zero amount to designated account. For example, where the rules of a service allow the use of zero amount payments, however the back-office system is unable to apply the funds to the account. If the rules of a service prohibit the use of zero amount payments, then code AM01 is used to report the error condition.
Where does AM22 appear in a message?
For example in pacs.002, element TxInfAndSts/StsRsnInf/Rsn/Cd.

All ExternalStatusReason1Code codes · ISO 20022 code sets · pacs.002 reject reasons explained

The ISO 20022 code names and definitions on this page are reproduced from material published at iso20022.org under the ISO 20022 Intellectual Property Rights policy. This is not the official source: the up-to-date ISO 20022 standards and repository material are published only at iso20022.org. Explanations in our own words are by ZagTrader. ZagTrader is not affiliated with or endorsed by ISO or Swift.