<status value="active"/> <experimental value="false"/> <date value="2014-08-07"/> <description value="Type of security metadata observation made about security requirements for a security domain. \[ISO IEC 10181-1\]"/> <immutable value="true"/> <compose> <include> <system value="http://terminology.hl7.org/CodeSystem/v3-ActCode"/> <filter> <property value="concept"/> <op value="is-a"/> <value value="TRSTAGREOBS"/> </filter> </include> </compose> </ValueSet>