Registered in sourceSource release: August 2026 (v3)
Published definition
Authentication provided through Card
Code set and usage
Authentication channel contains 4 registered codes. Its exact identifier is ExternalAuthenticationChannel1Code.
Specifies the transaction authentication channel, as published in an external authentication channel 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.