Where does GS1G appear in a message?

For example in camt.110, element InvstgtnData/RsnSubTp/Cd.

GS1G Reason Code: Request GS1 GLN Identifier

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

GS1G means request gs1 gln identifier in the ISO 20022 investigation reason sub type code set. GS1GLN (Global location number) identifier is requested. This is a non-significant reference number used to identify legal entities, functional entities, or physical entities according to GS1 numbering scheme rules.The number is used to retrieve detailed information that is linked to it.

Code: GS1G
ISO name: RequestGS1GLNIdentifier
Status: Registered
Last updated: 2024-02-28

Official definition

GS1GLN (Global location number) identifier is requested. This is a non-significant reference number used to identify legal entities, functional entities, or physical entities according to GS1 numbering scheme rules.The number is used to retrieve detailed information that is linked to it.

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

Messages and fields that use ExternalInvestigationReasonSubType1Code

Message	Element path
camt.110	InvstgtnData/RsnSubTp/Cd
camt.111	InvstgtnRspn/InvstgtnData/OrgnlInvstgtnRsnSubTp/Cd

GS1G in other code sets

GS1G in ExternalOrganisationIdentification1Code

GS1G questions

What does GS1G mean in ISO 20022?: GS1G is Request GS1 GLN Identifier in the ExternalInvestigationReasonSubType1Code code set: GS1GLN (Global location number) identifier is requested. This is a non-significant reference number used to identify legal entities, functional entities, or physical entities according to GS1 numbering scheme rules.The number is used to retrieve detailed information that is linked to it.
Where does GS1G appear in a message?: For example in camt.110, element InvstgtnData/RsnSubTp/Cd.

All ExternalInvestigationReasonSubType1Code 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.