EFFECTIVE CLASS
A class with identifier
http://staging4.data.posccaesar.org/iso/15926-4/rdl/RDS2220037
| Definition | An <EFFECTIVE CLASS> is a <PhysicalObject> that is an instance of <Role> played by a <ClassOfIndividual> in a temporal context | 
| ISO number | 12913 | 
| RDS number | RDS2220037 | 
| Source | Multi-subject Area |