3DS ReferenceProtocol & field guide

EMV 3-D Secure · Core specification 2.3.1.1

3DS Requestor Decoupled Max TimethreeDSRequestorDecMaxTime

Indicates the maximum amount of time that the 3DS Requestor will wait for an ACS to provide the results of a Decoupled Authentication transaction (in minutes).

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
AReqConditional

Conditional inclusion — source text

Required if 3DS Requestor Decoupled Request Indicator = Y or F or B.

Related condition fields: threeDSRequestorDecReqInd.

Format and scope

Type: String · Length: 5 characters · Minimum length: 5 · Maximum length: 5

Source components
3DS Server
Device channels
01-APP, 02-BRW, 03-3RI
Message categories
01-PA, 02-NPA

Reference notes

  • Must be padded with leading zeros to 5 characters. Example: value 1 → '00001', value 60 → '00060'. — FAQ 36 (EMVCo FAQ)

Version history

Field introduction tag: 2.2.0. 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 192

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