### Must support
The meaning of the presence or absence of the must support flag is described in [Must support](guidance.html#must-support), except for the *qualification.ahpraRegistration-details* element. When a Practitioner is provided to a publishing or subscribing system the *ahpraRegistration-details.ahpraProfession* element is populated from the Ahpra Register of Practitioners.

### Extensions
Extensions introduced in this profile:
* Practitioner: [PCA Active In System Of Record](StructureDefinition-pca-active-in-system-of-record.html)

### Supported interactions
Supported service interactions for this profile are defined in the following capability statements:
* For publishing systems: [PCA Publisher Agent](CapabilityStatement-pca-publisher-agent.html#practitioner)
* For subscribing systems: [PCA Subscriber Agent](CapabilityStatement-pca-subscriber-agent.html#practitioner)
