This is the ValueSet that contains all the codes in JDV Info Deces Cs8 CISIS (https://smt.esante.gouv.fr/fhir/ValueSet/jdv-info-deces-cs8-cisis) and JDV Info Deces Cs8 CISIS (https://smt.esante.gouv.fr/fhir/ValueSet/jdv-info-deces-cs8-cisis). E.g. what you have to deal with if you get resources containing codes in either of them