<status value="active"/> <date value="2014-03-26"/> <description value="An act which describes the process whereby a 'verifying party' validates either the existence of the Role attested to by some Credential or the actual Vetting act and its details."/> <immutable value="true"/> <compose> <include> <system value="http://terminology.hl7.org/CodeSystem/v3-ActClass"/> <filter> <property value="concept"/> <op value="is-a"/> <value value="VERIF"/> </filter> </include> </compose> </ValueSet>