| Semantic unit | 3.9.3 linkingEnvironmentRole |
|---|
| Definition | Documentation of the repository's Rights or indeed restrictions to perform one or more acts. |
| Obligation | Optional |
| Repeatability | Repeatable |
| Rationale | A piece of software or hardware that is captured as an Agent can also be preserved in a repository and described as an environment Object: for example, as source code or an ISO disk image. The role allows one to record in what form the software or hardware has been preserved in the repository. . |
| Data constraint | Container |
| Controlled vocabulary | http://id.loc.gov/vocabulary/preservation/linkingEnvironmentRole.html  |
| Usage notes | This semantic unit is optional because in some cases Rights may be unknown. Institutions are encouraged to record Rights information when possible. Either rightsStatement or rightsExtension must be present if the Rights entity is included. The rightsStatement should be repeated when the act(s) described has (have) more than one basis, or when different acts have different bases. |
| Examples | source code bytecode disk image |
