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