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ExternalUnableToApplyIncorrectData1Code

MM23 Code: Insufficient Debtor Details

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MM23 means insufficient debtor details in the ISO 20022 unable to apply incorrect data code set. Insufficient or incoherent details about the debtor with respect to regulatory requirements.

Code
MM23
ISO name
InsufficientDebtorDetails
Status
Registered
Last updated
2021-02-01

Official definition

Insufficient or incoherent details about the debtor with respect to regulatory requirements.

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

Messages and fields that use ExternalUnableToApplyIncorrectData1Code

MessageElement path
camt.026Justfn/MssngOrIncrrctInf/IncrrctInf/Tp/Cd

MM23 questions

What does MM23 mean in ISO 20022?
MM23 is Insufficient Debtor Details in the ExternalUnableToApplyIncorrectData1Code code set: Insufficient or incoherent details about the debtor with respect to regulatory requirements.
Where does MM23 appear in a message?
For example in camt.026, element Justfn/MssngOrIncrrctInf/IncrrctInf/Tp/Cd.

All ExternalUnableToApplyIncorrectData1Code 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.