This is the ValueSet that contains all the codes in eCH-011 NameDataTypes (http://fhir.ch/ig/ch-core/ValueSet/ech-11-namedatatype) and eCH-011 NameDataTypes (http://fhir.ch/ig/ch-core/ValueSet/ech-11-namedatatype). E.g. what you have to deal with if you get resources containing codes in either of them