This is the ValueSet that contains all the codes in Valueset type d'acte (https://interop.esante.gouv.fr/ig/fhir/ror/ValueSet/act-type-ror-valueset) and Valueset type d'acte (https://interop.esante.gouv.fr/ig/fhir/ror/ValueSet/act-type-ror-valueset). E.g. what you have to deal with if you get resources containing codes in either of them