Allowed and reserved values
| Value | Meaning | Introduction tag |
|---|---|---|
DS-specific | Any individual DS may impose specific formatting and character requirements on the contents of this field. | Not tagged |
Introduction tags are shown where recorded. An absent tag does not establish when a value was introduced.
This is a contained member of sdkServerSignedContent, not a separate top-level message field. Read the parent’s requirements.
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.
| Message | Baseline inclusion |
|---|---|
| AReq | Conditional |
Conditional inclusion — source text
See SDK Server Signed Content.
Format and scope
Type: String · Length: Variable, maximum 32 characters · Maximum length: 32
- Source components
- Split-SDK Server
- Device channels
- 01-APP
- Message categories
- 01-PA, 02-NPA
Reference notes
- Conveyed within the sdkServerSignedContent JWS object rather than as a top-level message field. See Section 6.2.2.3.
Version history
Field introduction tag: 2.3.1.1. 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 285
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
6fdf0aba3fc1a765f96b74dad4069d1e189969f38f0023647021687daf589d6bOfficial EMVCo specifications · Methodology and coverage limits