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
Required if Browser JavaScript Enabled = true; otherwise Optional.
Format and scope
Type: String · Length: Variable, maximum 35 · Maximum length: 35
- Source components
- 3DS Server
- Device channels
- 02-BRW
- Message categories
- 01-PA, 02-NPA
Reference notes
- BCP 47 format allows up to 35 characters, but 3DS Server should provide only the main language tag (max 8 characters). — FAQ 16 (EMVCo FAQ)
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 212
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