[Semantics] Policy expressions that propose terms of usage to an Asset owner [Comment] Must contain a Party entity with Assignee role. The Request may also contain the Party entity with Assigner role if this is known. No privileges are granted to any Party. [Identifier] 
Request
A g r e e m e n t
O f f e r
P r i v a c y
R e q u e s t
S e t
T i c k e t