1 Definition
A CAV Identifier is a Data Type uniquely identifying a CAV instance. The CAV Identifier may be permanent or temporary, depending on the policies of the governing authority.
2 Functional Requirements
The CAV identification system may include the following information:
- Country of registration (optional)
- Registration number within the country (optional)
- CAV manufacturer identifier • CAV model identifier
- M‑Instance Identifier (optional)
The governance, lifecycle, and assignment rules of CAV Identifiers are essential elements of CAV deployment but are out of scope of this Technical Specification.
3 Syntax
https://schemas.mpai.community/CAV2/V1.1/data/CAVIdentifier.json
4 Semantics
| Label | Description |
| Header | CAV Idemtifier Header – Standard “CAV-CID-V” |
| CAVIdentifier | Identifier of CAV instance. |
| CAVIdentifierData | Set of Data in CAV Identifier |
| – CountryID |
Two‑character country identifier.
|
| – RegistrationID |
Vehicle registration identifier assigned by the country.
|
| – ManufacturerID |
Identifier of the CAV manufacturer.
|
| – ModelID | Identifier of the CAV model. |
| – MInstanceID | Identifier of CAV’s M-Instance. |
| DataExchangeMetadata | Metadata optionally provided to support data exchange. |
| Trace | Provenance trace including Source and Time per AIF V3.0 rules. |
| DescrMetadata | Descriptive Metadata |