What does DUPL mean in ISO 20022?

DUPL is Duplicate Request in the ExternalVerificationReason1Code code set: Request is a duplicate of another request

Where does DUPL appear in a message?

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

ExternalVerificationReason1Code

DUPL Reason Code: Duplicate Request

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

DUPL means duplicate request in the ISO 20022 verification reason code set. Request is a duplicate of another request

Code: DUPL
ISO name: DuplicateRequest
Status: Registered
Last updated: 2021-02-01

Official definition

Request is a duplicate of another request

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

DUPL in other code sets

DUPL questions

What does DUPL mean in ISO 20022?: DUPL is Duplicate Request in the ExternalVerificationReason1Code code set: Request is a duplicate of another request
Where does DUPL 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.