An authorization activity (templateId 2.16.840.1.113883.10.20.1.19) SHALL be represented with Act. The value for Act / classCode in an authorization activity SHALL be 'ACT' 2.16.840.1.113883.5.6 ActClass STATIC. An authorization activity SHALL contain at least one Act / id. The value for Act / moodCode in an authorization activity SHALL be 'EVN' 2.16.840.1.113883.5.1001 ActMood STATIC. An authorization activity SHALL contain one or more Act / entryRelationship. The value for Act / entryRelationship / typeCode in an authorization activity SHALL be 'SUBJ' 2.16.840.1.113883.5.1002 ActRelationshipType STATIC. The target of an authorization activity with Act / entryRelationship / @typeCode='SUBJ' SHALL be a clinical statement with moodCode = 'PRMS' (Promise).