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ExternalCollateralReferenceDataStatusReason1Code

SDNM Reason Code: Start Date Original Instruction

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SDNM means start date original instruction in the ISO 20022 collateral reference data status reason code set. Start date of original instruction does not match.

Code
SDNM
ISO name
StartDateOriginalInstruction
Status
Registered
Last updated
2022-03-24

Official definition

Start date of original instruction does not match.

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

Messages and fields that use ExternalCollateralReferenceDataStatusReason1Code

MessageElement path
reda.028versions 001.01

SDNM questions

What does SDNM mean in ISO 20022?
SDNM is Start Date Original Instruction in the ExternalCollateralReferenceDataStatusReason1Code code set: Start date of original instruction does not match.

All ExternalCollateralReferenceDataStatusReason1Code 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.