3DS ReferenceProtocol & field guide

EMV 3-D Secure · Core specification 2.3.1.1

OOB App LabeloobAppLabel

OOB App Label in Challenge Response (CRes).

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

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

Label to be displayed for the link to the OOB App URL. Example: "oobAppLabel": "Open Your Bank App"

Conditional inclusion — source text

Only present for ACS UI Type = 04 if: • OOB App URL Indicator = 01 in the CReq message AND • the ACS uses the OOB Authenticati on App automatic switching feature for this transaction

Related condition fields: acsUiType, oobAppURLInd.

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 261

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 261

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

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