Registered in sourceSource release: August 2026 (v3)
Published definition
As system participant, the national central bank is the principal monetary authority of a nation and performs several key functions, including issuing currency and regulating the supply of credit in the economy.
Code set and usage
System party type contains 10 registered codes. Its exact identifier is ExternalSystemPartyType1Code.
Specifies the system party type, as published in an external system party type code 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.