<status value="active"/> <experimental value="false"/> <date value="2014-03-26"/> <description value="Used to capture the link between a potential service ("master" or plan) and an actual service, where the actual service instantiates the potential service. The instantiation may override the master's defaults."/> <immutable value="true"/> <compose> <include> <system value="http://terminology.hl7.org/CodeSystem/v3-ActRelationshipType"/> <filter> <property value="concept"/> <op value="is-a"/> <value value="INST"/> </filter> </include> </compose> </ValueSet>