This is the ValueSet that contains all the codes in Nguồn chi trả — Vietnam Payment Source ValueSet (http://fhir.hl7.org.vn/core/ValueSet/vn-payment-source-vs) and Nguồn chi trả — Vietnam Payment Source ValueSet (http://fhir.hl7.org.vn/core/ValueSet/vn-payment-source-vs). E.g. what you have to deal with if you get resources containing codes in either of them