Where does SOSE appear in a message?

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

SOSE Reason Code: Request Social Security Number

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

SOSE means request social security number in the ISO 20022 investigation reason sub type code set. Social Security Number is requested.

Code: SOSE
ISO name: RequestSocialSecurityNumber
Status: Registered
Last updated: 2024-02-28

Official definition

Social Security Number is requested.

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

SOSE in other code sets

SOSE questions

What does SOSE mean in ISO 20022?: SOSE is Request Social Security Number in the ExternalInvestigationReasonSubType1Code code set: Social Security Number is requested.
Where does SOSE 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.