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ExternalInvestigationReason1Code

MDAT Reason Code: Missing Debit Amount

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MDAT means missing debit amount in the ISO 20022 investigation reason code set. Missing debit amount on statement.

Code
MDAT
ISO name
MissingDebitAmount
Status
Registered
Last updated
2025-02-28

Official definition

Missing debit amount on statement.

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

Messages and fields that use ExternalInvestigationReason1Code

MessageElement path
camt.110InvstgtnData/Rsn/Cd
camt.111InvstgtnRspn/InvstgtnData/OrgnlInvstgtnRsn/Cd

MDAT questions

What does MDAT mean in ISO 20022?
MDAT is Missing Debit Amount in the ExternalInvestigationReason1Code code set: Missing debit amount on statement.
Where does MDAT appear in a message?
For example in camt.110, element InvstgtnData/Rsn/Cd.

All ExternalInvestigationReason1Code 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.