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ExternalAuthenticationMethod1Code

BIOM Code: Biometry

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BIOM means biometry in the ISO 20022 authentication method code set. Biometric authentication of the cardholder.

Code
BIOM
ISO name
Biometry
Status
Registered
Last updated
2024-12-03

Official definition

Biometric authentication of the cardholder.

Definition from the ISO 20022 External Code Sets, 2Q2026 (published 28 Aug 2026).

Messages and fields that use ExternalAuthenticationMethod1Code

MessageElement path
caad.008Vrfctn/Tp, Crdhldr/Id/Tp, Pyer/Crdntls/Tp, Pyee/Crdntls/Tp
caad.009Vrfctn/Tp, Crdhldr/Id/Tp, Pyer/Crdntls/Tp, Pyee/Crdntls/Tp
cafm.001Crdhldr/Id/Tp, Pyer/Crdntls/Tp, Pyee/Crdntls/Tp
cafm.002Crdhldr/Id/Tp, Pyer/Crdntls/Tp, Pyee/Crdntls/Tp
cafr.001Crdhldr/Id/Tp
cafr.002Crdhldr/Id/Tp
cafr.003Crdhldr/Id/Tp
cafr.004Crdhldr/Id/Tp

And 19 more messages: see the ExternalAuthenticationMethod1Code page.

BIOM questions

What does BIOM mean in ISO 20022?
BIOM is Biometry in the ExternalAuthenticationMethod1Code code set: Biometric authentication of the cardholder.
Where does BIOM appear in a message?
For example in caad.008, element Vrfctn/Tp.

All ExternalAuthenticationMethod1Code 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.