This is the ValueSet that contains all the codes in EprAuditTrailConsumptionEventType (http://fhir.ch/ig/ch-term/ValueSet/EprAuditTrailConsumptionEventType) and EprAuditTrailConsumptionEventType (http://fhir.ch/ig/ch-term/ValueSet/EprAuditTrailConsumptionEventType). E.g. what you have to deal with if you get resources containing codes in either of them