This is the ValueSet that contains all the codes in x_ActRelationshipRelatedAuthorizations (http://terminology.hl7.org/ValueSet/v3-xActRelationshipRelatedAuthorizations) and x_ActRelationshipRelatedAuthorizations (http://terminology.hl7.org/ValueSet/v3-xActRelationshipRelatedAuthorizations). E.g. what you have to deal with if you get resources containing codes in either of them