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ExternalAuthenticationMethod1Code

OLDA Code: Off Line Data Authentication

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OLDA means off line data authentication in the ISO 20022 authentication method code set. Authentication of data in an offline mode.

Code
OLDA
ISO name
OffLineDataAuthentication
Status
Registered
Last updated
2024-12-03

Official definition

Authentication of data in an offline mode.

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.

OLDA questions

What does OLDA mean in ISO 20022?
OLDA is Off Line Data Authentication in the ExternalAuthenticationMethod1Code code set: Authentication of data in an offline mode.
Where does OLDA 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.