What does TM01 mean in ISO 20022?

TM01 is Invalid Cut Off Time in the ExternalVerificationReason1Code code set: Associated message was received after agreed processing cut-off time.

Where does TM01 appear in a message?

For example in acmt.024, element Rpt/Rsn/Cd.

ExternalVerificationReason1Code

TM01 Reason Code: Invalid Cut Off Time

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

TM01 means invalid cut off time in the ISO 20022 verification reason code set. Associated message was received after agreed processing cut-off time.

Code: TM01
ISO name: InvalidCutOffTime
Status: Registered
Last updated: 2023-11-30

Official definition

Associated message was received after agreed processing cut-off time.

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

Messages and fields that use ExternalVerificationReason1Code

Message	Element path
acmt.024	Rpt/Rsn/Cd

TM01 in other code sets

TM01 questions

What does TM01 mean in ISO 20022?: TM01 is Invalid Cut Off Time in the ExternalVerificationReason1Code code set: Associated message was received after agreed processing cut-off time.
Where does TM01 appear in a message?: For example in acmt.024, element Rpt/Rsn/Cd.

All ExternalVerificationReason1Code 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.