Allowed and reserved values
| Value | Meaning | Introduction tag |
|---|---|---|
01 | Recurring transaction | Not tagged |
02 | Instalment transaction | Not tagged |
03 | Add card | 2.2.0 |
04 | Maintain card information | 2.2.0 |
05 | Account verification | 2.2.0 |
06 | Split shipment | 2.2.0 |
07 | Top-up | 2.2.0 |
08 | Mail Order | 2.2.0 |
09 | Telephone Order | 2.2.0 |
10 | Trust List status check | 2.2.0 |
11 | Other payment | 2.2.0 |
12 | Billing Agreement | 2.3.1.1 |
13 | Device Binding status check | 2.3.1.1 |
14 | Card Security Code status check | 2.3.1.1 |
15 | Delayed shipment | 2.3.1.1 |
16 | Split payment | 2.3.1.1 |
17 | FIDO credential deletion | 2.3.1.1 |
18 | FIDO credential registration | 2.3.1.1 |
19 | Decoupled Authentication Fallback | 2.3.1.1 |
20–79 | Reserved for EMVCo future use (values invalid until defined by EMVCo) | Reserved |
80–99 | Reserved for DS use | Reserved |
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.
| Message | Baseline inclusion |
|---|---|
| AReq | Required |
Format and scope
Type: String · Length: 2 characters · Minimum length: 2 · Maximum length: 2
- Source components
- 3DS Server
- Device channels
- 03-3RI
- 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 197, 198
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