3DS ReferenceProtocol & field guide

EMV 3-D Secure · Core specification 2.3.1.1

Why Information LabelwhyInfoLabel

Why Information Label in Challenge Response (CRes).

Source edition: Core 2.3.1.1 · Type: String · Length: Variable, maximum 45 · Maximum length: 45

Baseline in CRes Optional

Varies by context. Requirement or applicability varies by channel or message category. Select a specific context to resolve it. Usage and conditions ↓

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Usage in CRes

Label to be displayed to the Cardholder for the “why” information section.

Format and scope

Type: String · Length: Variable, maximum 45 · Maximum length: 45

Source components: ACS. Channels: 01-APP. Categories: 01-PA, 02-NPA.

EMV_3DS_CoreSpec_v2.3.1.1_20230530.pdf, Table A.1, PDF pages 295

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 295

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

Document fingerprint (SHA-256): 6fdf0aba3fc1a765f96b74dad4069d1e189969f38f0023647021687daf589d6b