3DS ReferenceProtocol & field guide

EMV 3-D Secure · Core specification 2.3.1.1

OOB Continuation LabeloobContinueLabel

Label to be used in the UI for the button that the Cardholder selects when they have completed the OOB authentication.

Explore this field with transaction context

Message inclusion

Baseline inclusion. Effective requirements depend on transaction context. Check the field’s conditions and FAQ qualifications; select channel and category in the explorer.

MessageBaseline inclusion
CResConditional

Conditional inclusion — source text

Required for ACS UI Type = 04 if the OOB App Label is not present.

Related condition fields: acsUiType.

Scoped FAQ qualifications

  • FAQ 26 — 2.2.0

    App-based CRes, selected native UI template

    Table A.1 optionality does not override the UI elements required by Table A.18. Challenge Information Label must be present for the templates discussed; it may contain a single space.

    EMVCo_3DS_Specification_FAQs_8-April-2026.pdf, page 9

Format and scope

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

Source components
ACS
Device channels
01-APP
Message categories
01-PA, 02-NPA

Version history

No field introduction version is tagged in the dataset. Introduction tags are curated metadata, not a full history of changes. Compare versions and understand coverage.

Source and review status

EMV_3DS_CoreSpec_v2.3.1.1_20230530.pdf, Table A.1, PDF pages 265

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

Source document fingerprint

EMV_3DS_CoreSpec_v2.3.1.1_20230530.pdf

6fdf0aba3fc1a765f96b74dad4069d1e189969f38f0023647021687daf589d6b

Official EMVCo specifications · Methodology and coverage limits