3DS ReferenceProtocol & field guide

EMV 3-D Secure · Core specification 2.3.1.1

ACS HTMLacsHTML

ACS HTML in Challenge Response (CRes).

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

Baseline in CRes Conditional

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

HTML provided by the ACS in the CRes message. Used when HTML is specified in the ACS UI Type during the Cardholder challenge.

Conditional inclusion — source text

Required if ACS UI Type = 05 or 06.

Related condition fields: acsUiType.

Format and scope

Type: String · Length: Variable, maximum

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 202

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 202

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

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