3DS ReferenceProtocol & field guide

EMV 3-D Secure · Core specification 2.3.1.1

Card Security Code StatuscardSecurityCodeStatus

Card Security Code Status in Authentication Response (ARes).

Source edition: Core 2.3.1.1 · Type: String · Length: 1 character · Minimum length: 1 · Maximum length: 1

Baseline in ARes Conditional

Conditional. Same classification across the remaining channels and categories. Conditional based on DS rules Usage and conditions ↓

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Field value definitions

Field-wide definitions. Check message-specific restrictions in usage and conditions.

CodeMeaning
YValidated
NFailed validation
UStatus unknown, unavailable, or does not apply

Source: EMV_3DS_CoreSpec_v2.3.1.1_20230530.pdf, Table A.1, PDF pages 217. Read usage and conditions.

Usage in ARes

Enables the communication of Card Security Code Status between the ACS, the DS and the 3DS Requestor

Conditional inclusion — source text

Conditional based on DS rules

Format and scope

Type: String · Length: 1 character · Minimum length: 1 · Maximum length: 1

Source components: ACS, DS. 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 217

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 217

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

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