Conveys the mandated workflow action that an information custodian, receiver, or user must perform.
\nExamples:
\nUsage Note: Per OASIS XACML, an obligation is an operation specified in a policy or policy that is performed in conjunction with the enforcement of an access control decision.
\nhttp://terminology.hl7.org/CodeSystem/v3-ActCode
where concept is-a ObligationPolicy