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ExternalRejectedReason1Code

NAUT Reason Code: Not Authorised

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NAUT means not authorised in the ISO 20022 rejected reason code set. Permission to be processed is not granted

Code
NAUT
ISO name
NotAuthorised
Status
Registered
Last updated
2016-05-11

Official definition

Permission to be processed is not granted

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

Messages and fields that use ExternalRejectedReason1Code

MessageElement path
reda.058versions 001.01

NAUT questions

What does NAUT mean in ISO 20022?
NAUT is Not Authorised in the ExternalRejectedReason1Code code set: Permission to be processed is not granted

All ExternalRejectedReason1Code 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.