3DS ReferenceProtocol & field guide

EMV 3-D Secure · Core specification 2.3.1.1

Browser LanguagebrowserLanguage

Browser Language in Authentication Request (AReq).

Source edition: Core 2.3.1.1 · Type: String · Length: Variable, maximum 35 · Maximum length: 35

Baseline in AReq 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 AReq

Value representing the Browser language as defined in IETF BCP47. Returned from navigator.language property. Refer to Section A.6 for additional detail.

Conditional inclusion — source text

Required if Browser JavaScript Enabled = true; otherwise Optional.

Format and scope

Type: String · Length: Variable, maximum 35 · Maximum length: 35

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

EMV_3DS_CoreSpec_v2.3.1.1_20230530.pdf, Table A.1, PDF pages 212

Related FAQ notes

  • BCP 47 format allows up to 35 characters, but 3DS Server should provide only the main language tag (max 8 characters). — FAQ 16 (EMVCo FAQ)

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 212

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

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