What does AG01 mean in ISO 20022?

AG01 is Transaction Forbidden in the ExternalMandateReason1Code code set: Transaction forbidden on this type of account (formerly NoAgreement)

Where does AG01 appear in a message?

For example in pain.010, element UndrlygAmdmntDtls/AmdmntRsn/Rsn/Cd.

ExternalMandateReason1Code

AG01 Reason Code: Transaction Forbidden

Written and maintained by ZagTrader. Last reviewed 21 October 2026. How this page is sourced and checked

AG01 means transaction forbidden in the ISO 20022 mandate reason code set. Transaction forbidden on this type of account (formerly NoAgreement)

Code: AG01
ISO name: TransactionForbidden
Status: Registered
Last updated: 2010-11-01

Official definition

Transaction forbidden on this type of account (formerly NoAgreement)

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

Messages and fields that use ExternalMandateReason1Code

Message	Element path
pain.010	UndrlygAmdmntDtls/AmdmntRsn/Rsn/Cd
pain.011	UndrlygCxlDtls/CxlRsn/Rsn/Cd
pain.012	UndrlygAccptncDtls/AccptncRslt/RjctRsn/Cd

AG01 in other code sets

AG01 questions

What does AG01 mean in ISO 20022?: AG01 is Transaction Forbidden in the ExternalMandateReason1Code code set: Transaction forbidden on this type of account (formerly NoAgreement)
Where does AG01 appear in a message?: For example in pain.010, element UndrlygAmdmntDtls/AmdmntRsn/Rsn/Cd.

All ExternalMandateReason1Code codes · ISO 20022 code sets

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.