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### Profile specific implementation guidance
- See guidance on the construction of an identifier on the relevant Identifier profile page and the section on [Business Identifiers](https://build.fhir.org/ig/hl7au/au-fhir-base/generalguidance.html#business-identifiers) in AU Base.
- When constructing an address:
  - an international address can be represented using the core [Address](http://hl7.org/fhir/R4/datatypes.html#Address) data type
  - an Australian address **SHOULD** be represented using the [Australian Address](http://build.fhir.org/ig/hl7au/au-fhir-base/StructureDefinition-au-address.html) data type profile
