This value set includes codes based on the following rules:

<status value="draft"/><experimental value="true"/><date value="2023-03-26T15:21:02+11:00"/><publisher value="FHIR Project team"/><contact><telecom><system value="url"/><value value="http://hl7.org/fhir"/></telecom></contact><description value="This value set defines a base set of codes for country, country subdivision and region for indicating where a resource is intended to be used. Note: The codes for countries and country subdivisions are taken from [ISO 3166](https://www.iso.org/iso-3166-country-codes.html) while the codes for "supra-national" regions are from [UN Standard country or area codes for statistical use (M49)](http://unstats.un.org/unsd/methods/m49/m49.htm)."/><jurisdiction><coding><system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/><code value="001"/><display value="World"/></coding></jurisdiction><compose><include><system value="urn:iso:std:iso:3166"/></include><include><system value="urn:iso:std:iso:3166:-2"/></include><include><system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/><filter><property value="class"/><op value="="/><value value="region"/></filter></include></compose></ValueSet>