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