This is the ValueSet that contains all the codes in Australian States - example value set (http://hl7.org/fhir/uv/sdc/ValueSet/sdc-question-library-states) and Australian States - example value set (http://hl7.org/fhir/uv/sdc/ValueSet/sdc-question-library-states). E.g. what you have to deal with if you get resources containing codes in either of them