ISO 20022 · Financial instrument identification type
COMMCommon Code
Published definition
National securities identification number for ICSDs issued by the National Numbering Association Clearstream and Euroclear.
Code set and usage
Financial instrument identification type contains 24 registered codes. Its exact identifier is ExternalFinancialInstrumentIdentificationType1Code.
Specifies the external financial instrument identification type scheme name code in the format of character string with a maximum length of 4 characters. The list of valid codes is an external code list published separately. 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.
This code in other sets 6
These share the characters COMM. Their meanings belong to their respective sets.