<status value="active"/> <date value="2014-03-26"/> <description value="**Description:**A requirement, rule, or expectation typically documented as guidelines, protocols, or formularies imposed or strongly encouraged by an organization that oversees or has authority over the practices within a domain, and which may have legal basis or ramifications on: * The activity of another party * The behavior of another party * The manner in which an act is executed **Examples:**A payer may require a prescribing provider to adhere to formulary guidelines. An institution may adopt clinical guidelines and protocols and implement these within its electronic health record and decision support systems."/> <immutable value="true"/> <compose> <include> <system value="http://terminology.hl7.org/CodeSystem/v3-ActClass"/> <filter> <property value="concept"/> <op value="is-a"/> <value value="STDPOL"/> </filter> </include> </compose> </ValueSet>