3DS ReferenceProtocol & field guide

EMV 3-D Secure · Core specification 2.3.1.1

Challenge Information Text IndicatorchallengeInfoTextIndicator

Indicates when the Issuer/ACS would like a warning icon or similar visual indicator to draw attention to the “Challenge Information Text” that is being displayed.

Explore this field with transaction context

Allowed and reserved values

ValueMeaningIntroduction tag
YDisplay indicatorNot tagged
NDo not display indicator Note: If the field is populated, this information is displayed to the Cardholder.Not tagged

Introduction tags are shown where recorded. An absent tag does not establish when a value was introduced.

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

See Table A.20 for presence conditions.

Format and scope

Type: String · Length: 1 character · Minimum length: 1 · Maximum length: 1

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

Version history

Field introduction tag: 2.1.0. 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 239

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