This is the ValueSet that contains all the codes in Bangladesh City Corperation ValueSet (https://fhir.dghs.gov.bd/core/ValueSet/bd-city-corporation-code-valueset) and Bangladesh City Corperation ValueSet (https://fhir.dghs.gov.bd/core/ValueSet/bd-city-corporation-code-valueset). E.g. what you have to deal with if you get resources containing codes in either of them