3DS ReferenceProtocol & field guide

EMV 3-D Secure · Core specification 2.3.1.1

Cardholder Account IdentifieracctID

Cardholder Account Identifier in Authentication Request (AReq).

Source edition: Core 2.3.1.1 · Type: String · Length: Variable, maximum 64 · Maximum length: 64

Baseline in AReq Optional

Optional across all channels and categories. Usage and conditions ↓

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Usage in AReq

Additional information about the account optionally provided by the 3DS Requestor.

Format and scope

Type: String · Length: Variable, maximum 64 · Maximum length: 64

Source components: 3DS Server. Channels: 01-APP, 02-BRW, 03-3RI. Categories: 01-PA, 02-NPA.

EMV_3DS_CoreSpec_v2.3.1.1_20230530.pdf, Table A.1, PDF pages 218

Transaction context

This reference covers the published source edition. Use the explorer to inspect this field and any applicable transaction conditions. Scheme programme requirements are not inferred from the protocol edition.

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Sources and related references

EMV_3DS_CoreSpec_v2.3.1.1_20230530.pdf, Table A.1, PDF pages 218

Source review status: extracted. Carried-forward material has not acquired a new verification claim.

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