The Uniform Resource Identifier (URI) that identifies the external object as an Internet resource.
| label | URI (External Reference. URI. Identifier) |
| Title | URI (External Reference. URI. Identifier) |
| definition | The Uniform Resource Identifier (URI) that identifies the external object as an Internet resource. |
| Description | |
| has internal identifier | External Reference. URI. Identifier |
| sample | |
| http://www.w3.org/ns/adms#versionNotes | |
| Is Part Of | OASIS UBL Common Library 2.1 |