3DS ReferenceProtocol & field guide

EMV 3-D Secure · Core specification 2.3.1.1

Card Security Code Status SourcecardSecurityCodeStatusSource

Card Security Code Status Source in Authentication Request (AReq).

Source edition: Core 2.3.1.1 · Type: String · Length: 2 characters · Minimum length: 2 · Maximum length: 2

Baseline in AReq Conditional

Conditional. Same classification across the remaining channels and categories. Required if the Card Security Code Status is present. Usage and conditions ↓

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Field value definitions

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

CodeMeaning
01DS
02ACS

Source: EMV_3DS_CoreSpec_v2.3.1.1_20230530.pdf, Table A.1, PDF pages 218. Read usage and conditions.

Reserved values

CodeMeaning
03–79Reserved for EMVCo future use (values invalid until defined by EMVCo)
80–99Reserved for DS use

Usage in AReq

This data element will be populated by the system setting Card Security Code Status.

Conditional inclusion — source text

Required if the Card Security Code Status is present.

Related condition fields: cardSecurityCodeStatus.

Format and scope

Type: String · Length: 2 characters · Minimum length: 2 · Maximum length: 2

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

Document fingerprint (SHA-256): 6fdf0aba3fc1a765f96b74dad4069d1e189969f38f0023647021687daf589d6b