ISO 20022 · Investigation reason sub type

BANKRequest Bank Party Identification

Registered in sourceSource release: August 2026 (v3)

Published definition

Bank party identification is requested. This is a unique and unambiguous assignment made by a specific bank or similar financial institution to identify a relationship as defined between the bank and its client.

Code set and usage

Investigation reason sub type contains 93 registered codes. Its exact identifier is ExternalInvestigationReasonSubType1Code.

Specifies the investigation reason sub type, as published in an external investigation reason code sub type set. External code sets can be downloaded from www.iso20022.org.

Use the code with the applicable message version and implementation guide. A matching code value alone does not establish the same meaning in another set.

View 5 published message references

This code in other sets 2

These share the characters BANK. Their meanings belong to their respective sets.