# Change Log - AU Core Implementation Guide v2.0.1-ci-build

* [**Table of Contents**](toc.md)
* **Change Log**

## Change Log

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| *Page standards status:*[Informative](http://hl7.org/fhir/R4/versions.html#std-process) |

### Release TBD

* Publication date: TBD
* Publication status: TBD
* Based on FHIR version: 4.0.1

This change log documents the significant updates and resolutions implemented from version [2.0.0](https://hl7.org.au/fhir/core/2.0.0/index.html) to TBD. The list below includes substantive changes to mandatory and **Must Support** elements inherited from AU Base.

#### Changes in this version

* [AU Core Organization](StructureDefinition-au-core-organization.md): 
* added AU HAE as an allowed type for Organization.identifier [AU Base: FHIR-54928](https://jira.hl7.org/browse/FHIR-54928)
* added AU HSP-O as an allowed type for Organization.identifier [AU Base: FHIR-54923](https://jira.hl7.org/browse/FHIR-54923)
 

### Release 2.0.0

* Publication date: 2026-01-28
* Publication status: Working Standard (Trial Use)
* Based on FHIR version: 4.0.1

This change log documents the significant updates and resolutions implemented from version [2.0.0-ballot](https://hl7.org.au/fhir/core/2.0.0-ballot/index.html) to [2.0.0](https://hl7.org.au/fhir/core/2.0.0/index.html). The list below includes substantive changes to mandatory and **Must Support** elements inherited from AU Base.

#### Changes in this version

* moved substantive guidance on representing body site and laterality from [Representing Body Site, Which May Include Laterality](https://hl7.org.au/fhir/core/2.0.0/general-guidance.html#representing-body-site-which-may-include-laterality) section in [General Guidance](https://hl7.org.au/fhir/core/2.0.0/general-guidance.html) to the AU Base [General Guidance](https://hl7.org.au/fhir/6.0.0/generalguidance.html) page, with AU Core specific content retained [AU Core: FHIR-52372](https://jira.hl7.org/browse/FHIR-52372).
* added guidance on profiling approach, extension approach, terminology approach, search parameter approach, actor approach and capability statement approach in the [General Guidance](https://hl7.org.au/fhir/core/2.0.0/general-guidance.html#implementation-guide-approach) page [AU Core: FHIR-52393](https://jira.hl7.org/browse/FHIR-52393).
* [AU Core AllergyIntolerance](https://hl7.org.au/fhir/core/2.0.0/StructureDefinition-au-core-allergyintolerance.html): 
* changed AllergyIntolerance.reaction.manifestation binding to Adverse Reaction Clinical Manifestation (preferred) [AU Base: FHIR-47076](https://jira.hl7.org/browse/FHIR-47076)
 
* [AU Core Diagnostic Result Observation](https://hl7.org.au/fhir/core/2.0.0/StructureDefinition-au-core-diagnosticresult.html) 
* changed Observation.hasMember to restore reference to AU Base Diagnostic Imaging Result profile inherited from AU Base [AU Core: FHIR-52164](https://jira.hl7.org/browse/FHIR-52164)
 
* [AU Core Patient](https://hl7.org.au/fhir/core/2.0.0/StructureDefinition-au-core-patient.html) 
* applied technical correction to invariants inv-pat-1 and inv-pat-2 to ensure terminology validation applies to the correct sub-extension values when multiple extension instances are present [AU Base: FHIR-53536](https://jira.hl7.org/browse/FHIR-53536)
 
* [AU Core Requester CapabilityStatement](https://hl7.org.au/fhir/core/2.0.0/CapabilityStatement-au-core-requester.html) 
* added AU Base Diagnostic Imaging Result to the supported profiles for Observation as a SHALL [AU Core: FHIR-52164](https://jira.hl7.org/browse/FHIR-52164)
 
* [AU Core Responder CapabilityStatement](https://hl7.org.au/fhir/core/2.0.0/CapabilityStatement-au-core-responder.html) 
* added AU Base Diagnostic Imaging Result to the supported profiles for Observation as a SHALL [AU Core: FHIR-52164](https://jira.hl7.org/browse/FHIR-52164)
 

### Release 2.0.0-ballot

* Publication date: 2025-07-31
* Publication status: Ballot for Working Standard
* Based on FHIR version: 4.0.1

This change log documents the significant updates and resolutions implemented from version [1.0.0](https://hl7.org.au/fhir/core/1.0.0/index.html) to [2.0.0-ballot](https://hl7.org.au/fhir/core/2.0.0-ballot/index.html). The changes in this update are for ballot. The list below includes substantive changes to mandatory and **Must Support** elements inherited from AU Base.

#### Changes in this version

* moved general guidance on representing communication preferences for a patient or related person to AU Base [AU Core: FHIR-46877](https://jira.hl7.org/browse/FHIR-46877).
* added to general guidance, reference to AU Base guidance on SNOMED CT Australian Edition [AU Core: FHIR-51473](https://jira.hl7.org/browse/FHIR-51473).
* added Recorded Sex or Gender and Sex Parameter for Clinical Use to the Sex and Gender page [AU Base: 51408](https://jira.hl7.org/browse/FHIR-51408).
* updated AUCDI mapping for the Date of assertion element in the Medication use statement data group to be MedicationStatement.dateAsserted [AU Core: FHIR-49960](https://jira.hl7.org/browse/FHIR-49960).
* updated dependency on SMART App Launch from version 2.1.0 to 2.2.0 [AU Core: FHIR-46398](https://jira.hl7.org/browse/FHIR-46398).
* [AU Core AllergyIntolerance](https://hl7.org.au/fhir/core/2.0.0-ballot/StructureDefinition-au-core-allergyintolerance.html): 
* added Must Support to AllergyIntolerance.note [AU Core: FHIR-46940](https://jira.hl7.org/browse/FHIR-46940)
* added Must Support and obligation SHOULD:populate to AllergyIntolerance.onsetDateTime for the AU Core Responder [AU Core: FHIR-45187](https://jira.hl7.org/browse/FHIR-45187)
 
* [AU Core Blood Pressure](https://hl7.org.au/fhir/core/2.0.0-ballot/StructureDefinition-au-core-bloodpressure.html): 
* added guidance on more blood pressure specific concepts for sitting, lying, and standing measurements [AU Core: FHIR-49951](https://jira.hl7.org/browse/FHIR-49951).
 
* [AU Core Condition](https://hl7.org.au/fhir/core/2.0.0-ballot/StructureDefinition-au-core-condition.html): 
* added Must Support and obligation SHOULD:populate to Condition.onsetDateTime for the AU Core Responder [AU Core: FHIR-45040](https://jira.hl7.org/browse/FHIR-45040)
 
* [AU Core Diagnostic Result Observation](https://hl7.org.au/fhir/core/2.0.0-ballot/StructureDefinition-au-core-diagnosticresult.html): 
* clarified that this profile is for specialist and other (non-imaging or non-pathology) results, and added profile-specific implementation guidance to see AU Core Pathology Result Observation profile for pathology results [AU Core: FHIR-46889](https://jira.hl7.org/browse/FHIR-46889).
 
* [AU Core Encounter](https://hl7.org.au/fhir/core/2.0.0-ballot/StructureDefinition-au-core-encounter.html) 
* changed Encounter.reasonCode binding to Reason for Encounter (preferred) [AU Base: FHIR-50996](https://jira.hl7.org/browse/FHIR-50996)
 
* [AU Core HealthcareService](https://hl7.org.au/fhir/core/2.0.0-ballot/StructureDefinition-au-core-healthcareservice.html): 
* added new profile, including interaction support to the AU Core CapabilityStatements [AU Core: FHIR-49934](https://jira.hl7.org/browse/FHIR-49934), [AU Core: FHIR-50406](https://jira.hl7.org/browse/FHIR-50406), [AU Core: FHIR-50405](https://jira.hl7.org/browse/FHIR-50405), [AU Base: FHIR-46322](https://jira.hl7.org/browse/FHIR-46322).
 
* [AU Core Immunization](https://hl7.org.au/fhir/core/2.0.0-ballot/StructureDefinition-au-core-immunization.html): 
* added Must Support to Immunization.lotNumber [AU Core: FHIR-47331](https://jira.hl7.org/browse/FHIR-47331)
* added Must Support and obligation SHOULD:populate to Immunization.occurrenceDateTime for the AU Core Responder [AU Core: FHIR-45216](https://jira.hl7.org/browse/FHIR-45216)
 
* [AU Core MedicationRequest](https://hl7.org.au/fhir/core/2.0.0-ballot/StructureDefinition-au-core-medicationrequest.html): 
* added Must Support to MedicationRequest.dosageInstruction.text [AU Core: FHIR-50101](https://jira.hl7.org/browse/FHIR-50101)
* removed duplication of obligation flag added by error to MedicationRequest.medicationReference [AU Core: FHIR-50800](https://jira.hl7.org/browse/FHIR-50800)
* applied technical correction to add Must Support and obligation flag to slices medicationCodeableConcept and medicationReference on MedicationRequest.medication[x] to align with Must Support on the sliced element [AU Core: FHIR-51083](https://jira.hl7.org/browse/FHIR-51083)
 
* [AU Core MedicationStatement](https://hl7.org.au/fhir/core/2.0.0-ballot/StructureDefinition-au-core-medicationstatement.html): 
* added the new profile, including interaction support and adding the DiagnosticReport resource to AU Core CapabilityStatements [AU Core: FHIR-45091](https://jira.hl7.org/browse/FHIR-45091), [AU Core: FHIR-49954](https://jira.hl7.org/browse/FHIR-49954), [AU Core: FHIR-49955](https://jira.hl7.org/browse/FHIR-49955), [AU Core: FHIR-49956](https://jira.hl7.org/browse/FHIR-49956), [AU Core: FHIR-49957](https://jira.hl7.org/browse/FHIR-49957), [AU Core: FHIR-49958](https://jira.hl7.org/browse/FHIR-49958), [AU Core: FHIR-49959](https://jira.hl7.org/browse/FHIR-49959).
* added Must Support to MedicationStatement.dosage.text [AU Core: FHIR-50101](https://jira.hl7.org/browse/FHIR-50101)
* applied technical correction to add Must Support and obligation flag to slices medicationCodeableConcept and medicationReference on MedicationStatement.medication[x] to align with Must Support on the sliced element [AU Core: FHIR-51083](https://jira.hl7.org/browse/FHIR-51083)
* removed duplication of obligation flag added by error to MedicationRequest.medicationReference [AU Core: FHIR-50800](https://jira.hl7.org/browse/FHIR-50800)
 
* [AU Core Organization](https://hl7.org.au/fhir/core/2.0.0-ballot/StructureDefinition-au-core-organization.html): 
* added Must Support on Organization.telecom.system [AU Core: FHIR-51042](https://jira.hl7.org/browse/FHIR-51042)
* added Must Support on Organization.telecom.value [AU Core: FHIR-51042](https://jira.hl7.org/browse/FHIR-51042)
 
* [AU Core Pathology Result Observation](https://hl7.org.au/fhir/core/2.0.0-ballot/StructureDefinition-au-core-diagnosticresult-path.html): 
* added profile-specific implementation guidance to see AU Core Diagnostic Result Observation profile for non-imaging or non-pathology results [AU Core: FHIR-46889](https://jira.hl7.org/browse/FHIR-46889)
* changed Observation.effective[x] type to remove type constraint [AU Base: FHIR-49189](https://jira.hl7.org/browse/FHIR-49189)
* applied technical correction to add Must Support and obligation flag to slices lab and specificDiscipline on Observation.category to align with Must Support on the sliced element [AU Core: FHIR-51083](https://jira.hl7.org/browse/FHIR-51083)
 
* [AU Core Patient](https://hl7.org.au/fhir/core/2.0.0-ballot/StructureDefinition-au-core-patient.html): 
* removed the cardinality constraint on AU Medicare Card Number identifier, changing it from 0..1 to 0..* [AU Core: FHIR-46268](https://jira.hl7.org/browse/FHIR-46268)
* added AU Patient Internal Identifier as an allowed type for Patient.identifier [AU Base: FHIR-48671](https://jira.hl7.org/browse/FHIR-48671)
* added Must Support on Patient.telecom.system [AU Core: FHIR-51033](https://jira.hl7.org/browse/FHIR-51033)
* added Must Support on Patient.telecom.value [AU Core: FHIR-51033](https://jira.hl7.org/browse/FHIR-51033)
* added Must Support on Patient.telecom.use [AU Core: FHIR-51033](https://jira.hl7.org/browse/FHIR-51033)
 
* [AU Core PractitionerRole](https://hl7.org.au/fhir/core/2.0.0-ballot/StructureDefinition-au-core-practitionerrole.html): 
* added Must Support on PractitionerRole.telecom.system [AU Core: FHIR-51034](https://jira.hl7.org/browse/FHIR-51034)
* added Must Support on PractitionerRole.telecom.value [AU Core: FHIR-51034](https://jira.hl7.org/browse/FHIR-51034)
 
* [AU Core Procedure](https://hl7.org.au/fhir/core/2.0.0-ballot/StructureDefinition-au-core-procedure.html): 
* added Must Support and obligation SHOULD:populate to Procedure.performedDateTime for the AU Core Responder [AU Core: FHIR-45145](https://jira.hl7.org/browse/FHIR-45145)
 
* [AU Core RelatedPerson](https://hl7.org.au/fhir/core/2.0.0-ballot/StructureDefinition-au-core-relatedperson.html): 
* added the new profile, including interaction support and replacing references to AU Base Related Person with AU Core RelatedPerson [AU Core: FHIR-49745](https://jira.hl7.org/browse/FHIR-49745), [AU Core: FHIR-49746](https://jira.hl7.org/browse/FHIR-49746), [AU Core: FHIR-44600](https://jira.hl7.org/browse/FHIR-44600), [AU Core: FHIR-49747](https://jira.hl7.org/browse/FHIR-49747).
 
* [AU Core Smoking Status](https://hl7.org.au/fhir/core/2.0.0-ballot/StructureDefinition-au-core-smokingstatus.html): 
* applied technical correction to add Must Support and obligation flag to slice socialHistory on Observation.category to align with Must Support on the sliced element [AU Core: FHIR-51083](https://jira.hl7.org/browse/FHIR-51083)
 

### Release 1.0.0

* Publication date: 2025-01-29
* Publication status: Working Standard (Trial Use)
* Based on FHIR version: 4.0.1

This change log documents the significant updates and resolutions implemented from version [1.0.0-ballot](https://hl7.org.au/fhir/core/1.0.0-ballot/index.html) to [1.0.0](https://hl7.org.au/fhir/core/1.0.0/index.html). The list below includes substantive changes to mandatory and **Must Support** elements inherited from AU Base.

#### Changes in this version

* Added [Sex and Gender](https://hl7.org.au/fhir/core/1.0.0/sex-and-gender.html) page to consolidate implementation guidance on sex and gender concepts in AU Core. Duplicate guidance already defined in AU Base is removed, and replaced with reference to AU Base guidance [AU Core: FHIR-47176](https://jira.hl7.org/browse/FHIR-47176), [AU Core: FHIR-47178](https://jira.hl7.org/browse/FHIR-47178), [AU Core: FHIR-47182](https://jira.hl7.org/browse/FHIR-47182), [AU Core: FHIR-47183](https://jira.hl7.org/browse/FHIR-47183), [AU Core: FHIR-46892](https://jira.hl7.org/browse/FHIR-46892), [AU Core: FHIR-46896](https://jira.hl7.org/browse/FHIR-46896).
* [AU Core Encounter](https://hl7.org.au/fhir/core/1.0.0/StructureDefinition-au-core-encounter.html) 
* removed codes (PHONE, VIDEO, EMAIL and SMS) from the value set bound to Encounter.class as these concepts are subsumed by the VR concept and cannot be used to populate this element in FHIR R4 [AU Base: FHIR-47120](https://jira.hl7.org/browse/FHIR-47120)
 
* [AU Core Diagnostic Result Observation](https://hl7.org.au/fhir/core/1.0.0/StructureDefinition-au-core-diagnosticresult.html): 
* corrected base profile to AU Base Diagnostic Observation [AU Core: FHIR-47116](https://jira.hl7.org/browse/FHIR-47116)
* removed constraints from Observation.hasMember.reference [AU Core: FHIR-46728](https://jira.hl7.org/browse/FHIR-46728), [AU Core: FHIR-48331](https://jira.hl7.org/browse/FHIR-48331)
* removed Must Support and Obligations from Observation.identifier, Observation.interpretation, Observation.note, Observation.method, Observation.referenceRange, Observation.referenceRange.low, Observation.referenceRange.high, Observation.referenceRange.type and Observation.referenceRange.text [AU Core: FHIR-46737](https://jira.hl7.org/browse/FHIR-46737)
* added invariant inv-obs-1 to preadopt R5 behaviour to ensure the BodyStructure Reference extension is present only when Observation.bodySite is not present [AU Base: FHIR-47117](https://jira.hl7.org/browse/FHIR-47117)
 
* [AU Core Location](https://hl7.org.au/fhir/core/1.0.0/StructureDefinition-au-core-location.html): removed Must Support flag and associated Obligation extensions from Location.identifier [AU Core: FHIR-47105](https://jira.hl7.org/browse/FHIR-47105) and Location.mode [AU Core: FHIR-47104](https://jira.hl7.org/browse/FHIR-47104)
* [AU Core MedicationRequest](https://hl7.org.au/fhir/core/1.0.0/StructureDefinition-au-core-medicationrequest.html): updated invariant au-core-medreq-01 to allow for a Data Absent Reason extension in order to meet AU Core Missing Data and Suppressed Data requirements [AU Core: FHIR-46417](https://jira.hl7.org/browse/FHIR-46417)
* [AU Core Pathology Result Observation](https://hl7.org.au/fhir/core/1.0.0/StructureDefinition-au-core-diagnosticresult-path.html): 
* removed constraints from Observation.hasMember.reference and Observation.specimen.reference [AU Core: FHIR-46728](https://jira.hl7.org/browse/FHIR-46728), [AU Core: FHIR-46731](https://jira.hl7.org/browse/FHIR-46731)
* removed Must Support and Obligations from Observation.identifier, Observation.method and Observation.note [AU Core: FHIR-46732](https://jira.hl7.org/browse/FHIR-46732)
 
* [AU Core Patient](https://hl7.org.au/fhir/core/1.0.0/StructureDefinition-au-core-patient.html): 
* added minimum length constraint of 10 characters to Identifier.value in AU Medicare Card Number [AU Base: FHIR-46619](https://jira.hl7.org/browse/FHIR-46619)
 
* AU Core search parameters and search parameter combinations: 
* [Observation search parameters](https://hl7.org.au/fhir/core/1.0.0/StructureDefinition-au-core-bloodpressure.html#notes): changed 'patient' from SHALL to MAY [AU Core: FHIR-47171](https://jira.hl7.org/browse/FHIR-47171)
* [Patient search parameters](https://hl7.org.au/fhir/core/1.0.0/StructureDefinition-au-core-patient.html#notes): removed the requirement for including an offset for 'birthdate' [AU Core: FHIR-47150](https://jira.hl7.org/browse/FHIR-47150)
* [Organization search parameters](https://hl7.org.au/fhir/core/1.0.0/StructureDefinition-au-core-organization.html#notes): changed 'name' search parameter from SHOULD to SHALL [AU Core: FHIR-47109](https://jira.hl7.org/browse/FHIR-47109)
* [Location search parameters](https://hl7.org.au/fhir/core/1.0.0/StructureDefinition-au-core-location.html#notes): 
* changed 'address' search parameter from SHALL to SHOULD [AU Core: FHIR-47107](https://jira.hl7.org/browse/FHIR-47107)
* removed 'identifier' [AU Core: FHIR-48927](https://jira.hl7.org/browse/FHIR-48927)
 
* [PractitionerRole search parameters](https://hl7.org.au/fhir/core/1.0.0/StructureDefinition-au-core-practitionerrole.html#notes): added 'role' as a SHOULD [AU Core: FHIR-47115](https://jira.hl7.org/browse/FHIR-47115)
* [MedicationRequest search parameters](https://hl7.org.au/fhir/core/1.0.0/StructureDefinition-au-core-medicationrequest.html#notes): changed 'patient+intent' and 'patient+intent+status' from SHALL to SHOULD, and added a new MedicationRequest search parameter 'patient+status' as a SHALL [AU Core: FHIR-47073](https://jira.hl7.org/browse/FHIR-47073)
* updated requirement to mandate both system and code values for identifier search parameters on Organization, Practitioner and PractitionerRole [AU Core: FHIR-46782](https://jira.hl7.org/browse/FHIR-46782)
 
* [AU Core Requester CapabilityStatement](https://hl7.org.au/fhir/core/1.0.0/CapabilityStatement-au-core-requester.html): 
* removed all instances of MAY support create, update, delete, vread, patch, history-instance [AU Core: FHIR-46060](https://jira.hl7.org/browse/FHIR-46060)
* removed MAY support search-system and history-system [AU Core: FHIR-46059](https://jira.hl7.org/browse/FHIR-46059)
* _id Patient search parameter changed to SHOULD from SHALL [AU Core: FHIR-46390](https://jira.hl7.org/browse/FHIR-46390)
* added missing entries for DocumentReference and RelatedPerson resources [AU Core: FHIR-46546](https://jira.hl7.org/browse/FHIR-46546)
 
* [AU Core Responder CapabilityStatement](https://hl7.org.au/fhir/core/1.0.0/CapabilityStatement-au-core-responder.html): 
* removed all instances of MAY support create, update, delete, vread, patch, history-instance [AU Core: FHIR-46060](https://jira.hl7.org/browse/FHIR-46060)
* corrected narrative of PractitionerRole practitioner.identifier search parameter from Medicare Provider Number to HPI-I [AU Core: FHIR-47013](https://jira.hl7.org/browse/FHIR-47013)
* corrected support for Practitioner _id search parameter to SHOULD instead of SHALL [AU Core: FHIR-46777](https://jira.hl7.org/browse/FHIR-46777)
* added missing entries for DocumentReference and RelatedPerson resources [AU Core: FHIR-46546](https://jira.hl7.org/browse/FHIR-46546)
 

### Release 1.0.0-ballot

* Publication date: 2024-08-05
* Publication status: Ballot for Working Standard
* Based on FHIR version: 4.0.1

This change log documents the significant updates and resolutions implemented from version [0.3.0-ballot](https://hl7.org.au/fhir/core/0.3.0-ballot/index.html) to [1.0.0-ballot](https://hl7.org.au/fhir/core/1.0.0-ballot/index.html). The list below includes substantive changes to mandatory and **Must Support** elements inherited from AU Base.

#### Changes in this version

* In the [AU Core Data for Interoperability](https://hl7.org.au/fhir/core/1.0.0-ballot/aucdi.html) page, to align to the published AUCDI Release 1 (R1): 
* added AUCDI element mapping Date/Time of Measurement and Date/Time of Observation, and added future consideration note for Last Updated
* updated mapping of AUCDI Procedure Completed Event to be represented by Procedure only [au-fhir-core #147](https://github.com/hl7au/au-fhir-core/issues/147).
* updated mapping of AUCDI Medication Use Statement to be represented by MedicationStatement only [au-fhir-core #145](https://github.com/hl7au/au-fhir-core/issues/145).
 
* dependency to Smart App Launch changed to 2.1.0 instead of latest (2.2.0) due to missing dependency issue that causes failure to load in NPM Package registry [AU Core: FHIR-46398](https://jira.hl7.org/browse/FHIR-46398)
* Throughout the specification made significant clarifications to FHIR Obligations, Actors, and Capabilities: 
* changed the default obligation behaviour in AU Core for Responders from 'be capable of populate' to 'populate if known' [AU Core: FHIR-45231](https://jira.hl7.org/browse/FHIR-45231), [AU Core: FHIR-45195](https://jira.hl7.org/browse/FHIR-45195), [AU Core: FHIR-45163](https://jira.hl7.org/browse/FHIR-45163), [AU Core: FHIR-45095](https://jira.hl7.org/browse/FHIR-45095), [AU Core: FHIR-45073](https://jira.hl7.org/browse/FHIR-45073)
* introduced FHIR Obligations & ActorDefinitions to clarify system actors and associated obligations [AU Core: FHIR-45231](https://jira.hl7.org/browse/FHIR-45231), [AU Core: FHIR-45195](https://jira.hl7.org/browse/FHIR-45195), [AU Core: FHIR-45163](https://jira.hl7.org/browse/FHIR-45163), [AU Core: FHIR-45073](https://jira.hl7.org/browse/FHIR-45073)
* clarified the documentation on Must Support and Mandatory elements using the language of Obligation [AU Core: FHIR-45231](https://jira.hl7.org/browse/FHIR-45231), [AU Core: FHIR-45195](https://jira.hl7.org/browse/FHIR-45195), [AU Core: FHIR-45163](https://jira.hl7.org/browse/FHIR-45163), [AU Core: FHIR-45073](https://jira.hl7.org/browse/FHIR-45073), [AU Core: FHIR-43852](https://jira.hl7.org/browse/FHIR-43852)
* clarified capabilities in AU Core R1 by: 
* renamed AU Core Server to AU Core Responder [AU Core: FHIR-45231](https://jira.hl7.org/browse/FHIR-45231), [AU Core: FHIR-45195](https://jira.hl7.org/browse/FHIR-45195), [AU Core: FHIR-45163](https://jira.hl7.org/browse/FHIR-45163), [AU Core: FHIR-45073](https://jira.hl7.org/browse/FHIR-45073), [AU Core: FHIR-43852](https://jira.hl7.org/browse/FHIR-43852)
* renamed AU Core Client to AU Core Requester [AU Core: FHIR-45231](https://jira.hl7.org/browse/FHIR-45231), [AU Core: FHIR-45195](https://jira.hl7.org/browse/FHIR-45195), [AU Core: FHIR-45163](https://jira.hl7.org/browse/FHIR-45163), [AU Core: FHIR-45073](https://jira.hl7.org/browse/FHIR-45073), [AU Core: FHIR-43852](https://jira.hl7.org/browse/FHIR-43852)
 
* added [Actor Definitions](https://hl7.org.au/fhir/core/1.0.0-ballot/actors.html) page under FHIR Artefacts [AU Core: FHIR-45231](https://jira.hl7.org/browse/FHIR-45231), [AU Core: FHIR-45195](https://jira.hl7.org/browse/FHIR-45195), [AU Core: FHIR-45163](https://jira.hl7.org/browse/FHIR-45163), [AU Core: FHIR-45073](https://jira.hl7.org/browse/FHIR-45073).
 
* Added [Security and Privacy](https://hl7.org.au/fhir/core/1.0.0-ballot/security.html) page [AU Core: FHIR-45067](https://jira.hl7.org/browse/FHIR-45067), and added requirements on supporting TLS 1.2 and TLS 1.3 [AU Core: FHIR-46068](https://jira.hl7.org/browse/FHIR-46068).
* Added [AU Variance Statement](https://hl7.org.au/fhir/core/1.0.0-ballot/variance.html) page [AU Core: FHIR-46034](https://jira.hl7.org/browse/FHIR-46034).
* Added additional guidance for body site / laterality implementation to [General Guidance](https://hl7.org.au/fhir/core/1.0.0-ballot/general-guidance.html) page [AU Core: FHIR-45176](https://jira.hl7.org/browse/FHIR-45176).
* Moved the Medicine Information section from the General Guidance page to a new [Medicine Information](https://hl7.org.au/fhir/core/1.0.0-ballot/medicine-information.html) page [AU Core: FHIR-45165](https://jira.hl7.org/browse/FHIR-45165).
* Changes to the following AU Core search parameters and search parameter combinations: 
* clarified multipleAnd comparator support for AU Core date search parameters [AU Core: FHIR-46309](https://jira.hl7.org/browse/FHIR-46309)
* [Encounter search parameters](https://hl7.org.au/fhir/core/1.0.0-ballot/StructureDefinition-au-core-encounter.html#notes): removed discharge-disposition, identifier, type, patient+discharge-disposition, patient+type [AU Core: FHIR-45954](https://jira.hl7.org/browse/FHIR-45954), [AU Core: FHIR-45603](https://jira.hl7.org/browse/FHIR-45603), [AU Core: FHIR-46057](https://jira.hl7.org/browse/FHIR-46057)
* [MedicationRequest search parameters](https://hl7.org.au/fhir/core/1.0.0-ballot/StructureDefinition-au-core-medicationrequest.html#notes): removed identifier and category [AU Core: FHIR-45991](https://jira.hl7.org/browse/FHIR-45991)
* [Patient search parameters](https://hl7.org.au/fhir/core/1.0.0-ballot/StructureDefinition-au-core-patient.html#notes): 
* birthdate search parameter support for comparators gt, le, lt, ge to SHOULD from SHALL and multipleAnd support introduced as SHOULD [AU Core: FHIR-45410](https://jira.hl7.org/browse/FHIR-45410)
* corrected the search parameter for gender identity to `gender-identity` not `patient-gender-identity` [AU Core: FHIR-45057](https://jira.hl7.org/browse/FHIR-45057).
 
* [Organization search parameters](https://hl7.org.au/fhir/core/1.0.0-ballot/StructureDefinition-au-core-organization.html#notes): 
* address search parameter to SHOULD instead of SHALL [AU Core: FHIR-45133](https://jira.hl7.org/browse/FHIR-45133)
* name search parameter to SHOULD instead of SHALL [AU Core: FHIR-45133](https://jira.hl7.org/browse/FHIR-45133)
 
 
* Changes to [AU Core Immunization](https://hl7.org.au/fhir/core/1.0.0-ballot/StructureDefinition-au-core-immunization.html): 
* removed Must Support from Immunization.encounter [AU Core: FHIR-45218](https://jira.hl7.org/browse/FHIR-45218)
* removed Must Support from Immunization.performer, Immunization.performer.function, Immunization.performer.actor [AU Core: FHIR-44653](https://jira.hl7.org/browse/FHIR-44653)
* removed Must Support from Immunization.protocolApplied, Immunization.protocolApplied.series, Immunization.protocolApplied.targetDisease, Immunization.protocolApplied.doseNumber[x] [AU Core: FHIR-44674](https://jira.hl7.org/browse/FHIR-44674), [AU Core: FHIR-44656](https://jira.hl7.org/browse/FHIR-44656), [AU Core: FHIR-44654](https://jira.hl7.org/browse/FHIR-44654)
* removed Must Support from Immunization.reasonCode [AU Core: FHIR-44654](https://jira.hl7.org/browse/FHIR-44654), [AU Core: FHIR-45968](https://jira.hl7.org/browse/FHIR-45968)
* added Must Support to Immunization.primarySource [AU Core: FHIR-44659](https://jira.hl7.org/browse/FHIR-44659)
* changed Immunization.vaccineCode slicing rule from slicing by system to slice by value set [AU Core: FHIR-46391](https://jira.hl7.org/browse/FHIR-46391)
* support for AIR codes and AMT Vaccine codes in Immunization.vaccineCode changed to define the slices in AU Core (no longer inherited from AU Base as per [AU Base: FHIR-44821](https://jira.hl7.org/browse/FHIR-44821)). Slicing discriminator changed from slicing by value:system to slicing by value set and AMT value set binding strength has been corrected to required. [AU Core: FHIR-46391](https://jira.hl7.org/browse/FHIR-46391)
 
* Changes to [AU Core Encounter](https://hl7.org.au/fhir/core/1.0.0-ballot/StructureDefinition-au-core-encounter.html): 
* removed Must Support from Encounter.identifier [AU Core: FHIR-45212](https://jira.hl7.org/browse/FHIR-45212)
* removed Must Support from Encounter.type [AU Core: FHIR-44580](https://jira.hl7.org/browse/FHIR-44580)
* removed Must Support from Encounter.hospitalization, Encounter.hospitalization.dischargeDisposition [AU Core: FHIR-45210](https://jira.hl7.org/browse/FHIR-45210)
* changed Encounter.participant.individual type from RelatedPerson to AU Base RelatedPerson [AU Core: FHIR-45228](https://jira.hl7.org/browse/FHIR-45228)
 
* Changes to [AU Core Location](https://hl7.org.au/fhir/core/1.0.0-ballot/StructureDefinition-au-core-location.html): removed Must Support from Location.description in [AU Core: FHIR-45029](https://jira.hl7.org/browse/FHIR-45029).
* Changes to [AU Core MedicationRequest](https://hl7.org.au/fhir/core/1.0.0-ballot/StructureDefinition-au-core-medicationrequest.html): 
* changed MedicationRequest.requester type from RelatedPerson to AU Base RelatedPerson [AU Core: FHIR-45228](https://jira.hl7.org/browse/FHIR-45228)
* removed Must Support from MedicationRequest.identifier [AU Core: FHIR-45208](https://jira.hl7.org/browse/FHIR-45208)
* removed Must Support from MedicationRequest.category [AU Core: FHIR-45207](https://jira.hl7.org/browse/FHIR-45207)
* removed Must Support from MedicationRequest.note [AU Core: FHIR-45209](https://jira.hl7.org/browse/FHIR-45209)
* removed Must Support from MedicationRequest.dispenseRequest, MedicationRequest.dispenseRequest.validityPeriod, MedicationRequest.dispenseRequest.numberOfRepeatsAllowed, MedicationRequest.dispenseRequest.quantity [AU Core: FHIR-45088](https://jira.hl7.org/browse/FHIR-45088)
* removed Must Support from MedicationRequest.substitution, MedicationRequest.substitution.allowed[x] [AU Core: FHIR-45088](https://jira.hl7.org/browse/FHIR-45088)
* added Must Support to MedicationRequest.reasonReference [AU Core: FHIR-45090](https://jira.hl7.org/browse/FHIR-45090)
* support for AMT codes and PBS Item Codes in MedicationRequest.medicationCodeableConcept changed to define slicing in AU Core (no longer inherited from AU Base as per [AU Base: FHIR-44823](https://jira.hl7.org/browse/FHIR-44823)). Slicing discriminator changed from slicing by value:system to slicing by value set and the binding strength has been corrected to required. [AU Core: FHIR-46391](https://jira.hl7.org/browse/FHIR-46391)
 
* Changes to [AU Core Medication](https://hl7.org.au/fhir/core/1.0.0-ballot/StructureDefinition-au-core-medication.html): 
* removal of Must Support from Medication.manufacturer [AU Core: FHIR-45130](https://jira.hl7.org/browse/FHIR-45130)
* removed Must Support from Medication.form [AU Core: FHIR-45221](https://jira.hl7.org/browse/FHIR-45221)
* removed Must Support from Medication.ingredient [AU Core: FHIR-45220](https://jira.hl7.org/browse/FHIR-45220)
* removed Must Support from Medication.ingredient.item[x] [AU Core: FHIR-45220](https://jira.hl7.org/browse/FHIR-45220)
* removed Must Support from Medication.ingredient.isActive [AU Core: FHIR-45220](https://jira.hl7.org/browse/FHIR-45220), [AU Core: FHIR-45130](https://jira.hl7.org/browse/FHIR-45130), [AU Core: FHIR-45049](https://jira.hl7.org/browse/FHIR-45049)
* removed Must Support from Medication.ingredient.strength [AU Core: FHIR-45220](https://jira.hl7.org/browse/FHIR-45220)
* removed Must Support from Medication.amount [AU Core: FHIR-45219](https://jira.hl7.org/browse/FHIR-45219)
* support for AMT codes and PBS Item Codes in Medication.code changed to define slicing in AU Core (no longer inherited from AU Base as per [AU Base: FHIR-44823](https://jira.hl7.org/browse/FHIR-44823)). Slicing discriminator changed from slicing by value:system to value set and the binding strength has been corrected to required. [AU Core: FHIR-46391](https://jira.hl7.org/browse/FHIR-46391)
 
* Changes to [AU Core Organization](https://hl7.org.au/fhir/core/1.0.0-ballot/StructureDefinition-au-core-organization.html): 
* removed Must Support from Organization.alias [AU Core: FHIR-44585](https://jira.hl7.org/browse/FHIR-44585)
* corrected the invariant au-core-org-01 FHIRPath expression [AU Core: FHIR-46103](https://jira.hl7.org/browse/FHIR-46103)
 
* Changes to [AU Core Patient](https://hl7.org.au/fhir/core/1.0.0-ballot/StructureDefinition-au-core-patient.html): 
* removed Must Support from Patient.extension:birthPlace [AU Core: FHIR-45018](https://jira.hl7.org/browse/FHIR-45018)
* removed Must Support from Patient.extension:interpreterRequired [AU Core: FHIR-45186](https://jira.hl7.org/browse/FHIR-45186)
* removed Must Support from Patient.birthDate.extension:birthTime [AU Core: FHIR-45028](https://jira.hl7.org/browse/FHIR-45028)
* removed Must Support from Patient.birthDate.extension:accuracyIndicator [AU Core: FHIR-45028](https://jira.hl7.org/browse/FHIR-45028)
* added Must Support on Patient.name.text [AU Core: FHIR-44818](https://jira.hl7.org/browse/FHIR-44818)
* added Must Support on Patient.name.family [AU Core: FHIR-44818](https://jira.hl7.org/browse/FHIR-44818)
* added Must Support on Patient.name.given [AU Core: FHIR-44818](https://jira.hl7.org/browse/FHIR-44818)
* updated invariants au-core-pat-01, au-core-pat-02, and au-core-pat-04 to allow for a Data Absent Reason extension in order to meet AU Core Missing Data and Suppressed Data requirements [AU Core: FHIR-46406](https://jira.hl7.org/browse/FHIR-46406)
 
* Changes to [AU Core Practitioner](https://hl7.org.au/fhir/core/1.0.0-ballot/StructureDefinition-au-core-practitioner.html): 
* removed Must Support from Practitioner.communication [AU Core: FHIR-44588](https://jira.hl7.org/browse/FHIR-44588)
* removed Must Support from Practitioner.qualification, Practitioner.qualification.identifier, Practitioner.qualification.code, Practitioner.qualification.period, Practitioner.qualification.issuer: [AU Core: FHIR-45118](https://jira.hl7.org/browse/FHIR-45118), [AU Core: FHIR-44587](https://jira.hl7.org/browse/FHIR-44587)
* removed Must Support from Practitioner.address [AU Core: FHIR-43860](https://jira.hl7.org/browse/FHIR-43860)
* removed Must Support from Practitioner.telecom [AU Core: FHIR-43860](https://jira.hl7.org/browse/FHIR-438608)
* added Must Support on Practitioner.name.family [AU Core: FHIR-44819](https://jira.hl7.org/browse/FHIR-44819)
* added Must Support on Practitioner.name.given [AU Core: FHIR-44819](https://jira.hl7.org/browse/FHIR-44819)
* replaced constraint **au-core-prac-01: At least text or family name shall be present** with making Practitioner.name.family mandatory (1..1) [AU Core: FHIR-44819](https://jira.hl7.org/browse/FHIR-44819)
 
* Changes to [AU Core PractitionerRole](https://hl7.org.au/fhir/core/1.0.0-ballot/StructureDefinition-au-core-practitionerrole.html): 
* removed Must Support from PractitionerRole.location [AU Core: FHIR-43841](https://jira.hl7.org/browse/FHIR-43841)
* updated invariant au-core-prarol-01 to allow for a Data Absent Reason extension in order to meet AU Core Missing Data and Suppressed Data requirements [AU Core: FHIR-46419](https://jira.hl7.org/browse/FHIR-46419)
 
* Changes to [AU Core Procedure](https://hl7.org.au/fhir/core/1.0.0-ballot/StructureDefinition-au-core-procedure.html): 
* removed Must Support from Procedure.statusReason [AU Core: FHIR-45013](https://jira.hl7.org/browse/FHIR-45013)
* removed Must Support from Procedure.category [AU Core: FHIR-45014](https://jira.hl7.org/browse/FHIR-45014)
* removed Must Support from Procedure.recorder [AU Core: FHIR-45015](https://jira.hl7.org/browse/FHIR-45015), [AU Core: FHIR-45082](https://jira.hl7.org/browse/FHIR-45082)
* removed Must Support from Procedure.asserter [AU Core: FHIR-45016](https://jira.hl7.org/browse/FHIR-45016), [AU Core: FHIR-45083](https://jira.hl7.org/browse/FHIR-45083)
* removed Must Support from Procedure.bodySite and added profile-specific implementation guidance on including body site information [AU Core: FHIR-45017](https://jira.hl7.org/browse/FHIR-45017), [AU Core: FHIR-45114](https://jira.hl7.org/browse/FHIR-45114)
* removed Must Support from Procedure.note [AU Core: FHIR-45114](https://jira.hl7.org/browse/FHIR-45114)
* removed the cardinality constraint on Procedure.performed[x], changing it from 1..1 to 0..1 [AU Core: FHIR-45109](https://jira.hl7.org/browse/FHIR-45109)
* removed Obligations on Procedure.bodySite [AU Core: FHIR-46728](https://jira.hl7.org/browse/FHIR-46728)
 
* Removed AU Core Provenance [AU Core: FHIR-45191](https://jira.hl7.org/browse/FHIR-45191).
* Removed AU Core MedicationStatement in accordance with the agreement to move work on this profile from AU Core R1 to R2. This decision is noted in the AU Core [Future Candidate Requirements Under Consideration](https://hl7.org.au/fhir/core/1.0.0-ballot/future.html#future-candidate-requirements-under-consideration) [AU Core: FHIR-45052](https://jira.hl7.org/browse/FHIR-45052).
* Changes to [AU Core Condition](https://hl7.org.au/fhir/core/1.0.0-ballot/StructureDefinition-au-core-condition.html): 
* removed Must Support from Condition.asserter [AU Core: FHIR-45019](https://jira.hl7.org/browse/FHIR-45019), [AU Core: FHIR-45127](https://jira.hl7.org/browse/FHIR-45127), [AU Core: FHIR-45083](https://jira.hl7.org/browse/FHIR-45083)
* removed Must Support from Condition.recorder [AU Core: FHIR-45019](https://jira.hl7.org/browse/FHIR-45019), [AU Core: FHIR-45082](https://jira.hl7.org/browse/FHIR-45082)
* removed Must Support from Condition.encounter [AU Core: FHIR-45189](https://jira.hl7.org/browse/FHIR-45189)
* added profile-specific implementation guidance on representing no known problems [AU Core: FHIR-45058](https://jira.hl7.org/browse/FHIR-45058)
* removed invariant au-core-cond-05 [AU Core: FHIR-46165](https://jira.hl7.org/browse/FHIR-46165)
 
* Changes to [AU Core AllergyIntolerance](https://hl7.org.au/fhir/core/1.0.0-ballot/StructureDefinition-au-core-allergyintolerance.html): 
* removed profile-specific implementation guidance "`AllergyIntolerance.verificationStatus` is "unconfirmed" where a sending system does not clearly have this element or "confirmed" depending on the level of certainty" [AU Core: FHIR-45039](https://jira.hl7.org/browse/FHIR-45039)
* removed Must Support from AllergyIntolerance.asserter [AU Core: FHIR-44699](https://jira.hl7.org/browse/FHIR-44699), [AU Core: FHIR-45083](https://jira.hl7.org/browse/FHIR-45083)
* removed Must Support from AllergyIntolerance.recorder [AU Core: FHIR-45082](https://jira.hl7.org/browse/FHIR-45082), [AU Core: FHIR-45066](https://jira.hl7.org/browse/FHIR-45066)
* removed Must Support from AllergyIntolerance.encounter [AU Core: FHIR-45123](https://jira.hl7.org/browse/FHIR-45123)
* removed Must Support from AllergyIntolerance.note [AU Core: FHIR-45188](https://jira.hl7.org/browse/FHIR-45188)
* in AllergyIntolerance.code 
* changed Indicator of Hypersensitivity or Intolerance to Substance value set binding strength from preferred to extensible [AU Core: FHIR-44713](https://jira.hl7.org/browse/FHIR-44713)
* added Additional Binding, Adverse Reaction Substances and Negated Findings value set as candidate [AU Core: FHIR-44713](https://jira.hl7.org/browse/FHIR-44713)
 
 
* Changes to [AU Core Smoking Status](https://hl7.org.au/fhir/core/1.0.0-ballot/StructureDefinition-au-core-smokingstatus.html): 
* removed Must Support from Observation.encounter [AU Core: FHIR-45222](https://jira.hl7.org/browse/FHIR-45222)
* removed Must Support from Observation.performer [AU Core: FHIR-45223](https://jira.hl7.org/browse/FHIR-45223)
* removed the fixed value constraint 'final' on Observation.status [AU Core: FHIR-45120](https://jira.hl7.org/browse/FHIR-45120)
* replaced Observation.code patternCodeableConcept constraint of 266918002 |Tobacco smoking consumption| with 1747861000168109 |Smoking status| [AU Core: FHIR-45124](https://jira.hl7.org/browse/FHIR-45124)
* corrected invariant au-core-obs-01 to change the length check from >= 10 to >= 8 to match required precision to the day [AU Core: FHIR-46407](https://jira.hl7.org/browse/FHIR-46407)
 
* Changes to [AU Core Immunization](https://hl7.org.au/fhir/core/1.0.0-ballot/StructureDefinition-au-core-immunization.html): 
* removed Must Support from Immunization.encounter [AU Core: FHIR-45218](https://jira.hl7.org/browse/FHIR-45218)
* removed Must Support from Immunization.performer [AU Core: FHIR-44653](https://jira.hl7.org/browse/FHIR-44653)
* removed Must Support from Immunization.performer.function [AU Core: FHIR-44653](https://jira.hl7.org/browse/FHIR-44653)
* removed Must Support from Immunization.performer.actor [AU Core: FHIR-44653](https://jira.hl7.org/browse/FHIR-44653)
 
* Changes to [AU Core Blood Pressure](https://hl7.org.au/fhir/core/1.0.0-ballot/StructureDefinition-au-core-bloodpressure.html): 
* removed Must Support from Observation.encounter [AU Core: FHIR-45134](https://jira.hl7.org/browse/FHIR-45134)
* removed Must Support from Observation.performer [AU Core: FHIR-44786](https://jira.hl7.org/browse/FHIR-44786)
* removed the fixed value constraint 'final' on Observation.status [AU Core: FHIR-45120](https://jira.hl7.org/browse/FHIR-45120)
* removed invariant au-core-obs-01 (duplicates invariant vs-1) [AU Core: FHIR-46486](https://jira.hl7.org/browse/FHIR-46486)
 
* Changes to [AU Core Body Height](https://hl7.org.au/fhir/core/1.0.0-ballot/StructureDefinition-au-core-bodyheight.html): 
* removed Must Support from Observation.encounter [AU Core: FHIR-45134](https://jira.hl7.org/browse/FHIR-45134)
* removed Must Support from Observation.performer [AU Core: FHIR-44786](https://jira.hl7.org/browse/FHIR-44786)
* removed fixed value constraint 'final' on Observation.status [AU Core: FHIR-45120](https://jira.hl7.org/browse/FHIR-45120)
* removed the required binding to Metric Body Length Units value set from Observation.value[x]:valueQuantity to allow the FHIR standard profile binding, and added the Metric Body Length Units value set as a candidate additional binding [AU Core: FHIR-44787](https://jira.hl7.org/browse/FHIR-44787)
* removed invariant au-core-obs-01 (duplicates invariant vs-1) [AU Core: FHIR-46486](https://jira.hl7.org/browse/FHIR-46486)
 
* Changes to [AU Core Body Temperature](https://hl7.org.au/fhir/core/1.0.0-ballot/StructureDefinition-au-core-bodytemp.html): 
* removed Must Support from Observation.encounter [AU Core: FHIR-45134](https://jira.hl7.org/browse/FHIR-45134)
* removed Must Support from Observation.performer [AU Core: FHIR-44786](https://jira.hl7.org/browse/FHIR-44786)
* removed the fixed value constraint 'final' on Observation.status [AU Core: FHIR-45120](https://jira.hl7.org/browse/FHIR-45120)
* removed the required binding to Metric Body Temperature Units value set from Observation.value[x]:valueQuantity to allow the FHIR standard profile binding, and added the Metric Body Temperature Units value set as a candidate additional binding [AU Core: FHIR-44787](https://jira.hl7.org/browse/FHIR-44787)
* removed invariant au-core-obs-01 (duplicates invariant vs-1) [AU Core: FHIR-46486](https://jira.hl7.org/browse/FHIR-46486)
 
* Changes to [AU Core Body Weight](https://hl7.org.au/fhir/core/1.0.0-ballot/StructureDefinition-au-core-bodyweight.html): 
* removed Must Support from Observation.encounter [AU Core: FHIR-45134](https://jira.hl7.org/browse/FHIR-45134)
* removed Must Support from Observation.performer [AU Core: FHIR-44786](https://jira.hl7.org/browse/FHIR-44786)
* removed the fixed value constraint 'final' on Observation.status [AU Core: FHIR-45120](https://jira.hl7.org/browse/FHIR-45120)
* removed the required binding to Metric Body Weight Units value set from Observation.value[x]:valueQuantity to allow the FHIR standard profile binding, and added the Metric Body Weight Units value set as a candidate additional binding [AU Core: FHIR-44787](https://jira.hl7.org/browse/FHIR-44787)
* removed invariant au-core-obs-01 (duplicates invariant vs-1) [AU Core: FHIR-46486](https://jira.hl7.org/browse/FHIR-46486)
 
* Changes to [AU Core Heart Rate](https://hl7.org.au/fhir/core/1.0.0-ballot/StructureDefinition-au-core-heartrate.html): 
* removed Must Support from Observation.encounter [AU Core: FHIR-45134](https://jira.hl7.org/browse/FHIR-45134)
* removed Must Support from Observation.performer [AU Core: FHIR-44786](https://jira.hl7.org/browse/FHIR-44786)
* removed the fixed value constraint 'final' on Observation.status [AU Core: FHIR-45120](https://jira.hl7.org/browse/FHIR-45120)
* added profile-specific implementation guidance on representing pulse rate observations [AU Core: FHIR-44861](https://jira.hl7.org/browse/FHIR-44861)
* removed invariant au-core-obs-01 (duplicates invariant vs-1) [AU Core: FHIR-46486](https://jira.hl7.org/browse/FHIR-46486)
 
* Changes to [AU Core Respiration Rate](https://hl7.org.au/fhir/core/1.0.0-ballot/StructureDefinition-au-core-resprate.html): 
* removed Must Support from Observation.encounter [AU Core: FHIR-45134](https://jira.hl7.org/browse/FHIR-45134)
* removed Must Support from Observation.performer [AU Core: FHIR-44786](https://jira.hl7.org/browse/FHIR-44786)
* removed the fixed value constraint 'final' on Observation.status [AU Core: FHIR-45120](https://jira.hl7.org/browse/FHIR-45120)
* removed invariant au-core-obs-01 (duplicates invariant vs-1) [AU Core: FHIR-46486](https://jira.hl7.org/browse/FHIR-46486)
 
* Changes to [AU Core Waist Circumference](https://hl7.org.au/fhir/core/1.0.0-ballot/StructureDefinition-au-core-waistcircum.html): 
* removed Must Support from Observation.encounter [AU Core: FHIR-45134](https://jira.hl7.org/browse/FHIR-45134)
* removed Must Support from Observation.performer [AU Core: FHIR-44786](https://jira.hl7.org/browse/FHIR-44786)
* removed the fixed value constraint 'final' on Observation.status [AU Core: FHIR-45120](https://jira.hl7.org/browse/FHIR-45120)
* removed the required binding to Metric Body Length Units value set from Observation.valueQuantity.code to allow the FHIR standard profile binding, and added the Metric Body Length Units value set as a candidate additional binding [AU Core: FHIR-44787](https://jira.hl7.org/browse/FHIR-44787)
* removed invariant au-core-obs-01 (duplicates invariant vs-1) [AU Core: FHIR-46486](https://jira.hl7.org/browse/FHIR-46486)
 
* Changes to [AU Core Diagnostic Result Observation](https://hl7.org.au/fhir/core/1.0.0-ballot/StructureDefinition-au-core-diagnosticresult.html): 
* changed Observation.performer type from RelatedPerson to AU Base RelatedPerson [AU Core: FHIR-45228](https://jira.hl7.org/browse/FHIR-45228)
* removed the required binding to ObservationStatus Result Available value set from Observation.status [AU Core: FHIR-45125](https://jira.hl7.org/browse/FHIR-45125)
* updated invariant au-core-obs-01 to change the length check from >= 10 to >= 8 to match required precision to the day [AU Core: FHIR-46407](https://jira.hl7.org/browse/FHIR-46407)
 
* Changes to [AU Core Pathology Result Observation](https://hl7.org.au/fhir/core/1.0.0-ballot/StructureDefinition-au-core-diagnosticresult-path.html): 
* changed Observation.performer type from RelatedPerson to AU Base RelatedPerson [AU Core: FHIR-45228](https://jira.hl7.org/browse/FHIR-45228)
* removed the required binding to ObservationStatus Result Available value set from Observation.status [AU Core: FHIR-45125](https://jira.hl7.org/browse/FHIR-45125)
* updated invariant au-core-obs-01 to change the length check from >= 10 to >= 8 to match required precision to the day [AU Core: FHIR-46407](https://jira.hl7.org/browse/FHIR-46407)
 
* Changes in [AU Core Requester CapabilityStatement](https://hl7.org.au/fhir/core/1.0.0-ballot/CapabilityStatement-au-core-requester.html): 
* removed reference to Bulk Data Access implementation guide [AU Core: FHIR-45113](https://jira.hl7.org/browse/FHIR-45113)
* corrected the Observation combined search parameter 'patient+category+status' from SHALL to SHOULD [AU Core: FHIR-45390](https://jira.hl7.org/browse/FHIR-45390)
* corrected narrative of Location identifier parameter requester requirements on providing both the system and code values from SHOULD to MAY [AU Core: FHIR-46209](https://jira.hl7.org/browse/FHIR-46209)
* replaced security and authorization requirements with pointer to Security and Privacy page [AU Core: FHIR-46067](https://jira.hl7.org/browse/FHIR-46067)
 
* Changes in [AU Core Responder CapabilityStatement](https://hl7.org.au/fhir/core/1.0.0-ballot/CapabilityStatement-au-core-responder.html): 
* removed reference to Bulk Data Access implementation guide [AU Core: FHIR-45113](https://jira.hl7.org/browse/FHIR-45113)
* corrected the Observation combined search parameter 'patient+category+status' from SHALL to SHOULD [AU Core: FHIR-45390](https://jira.hl7.org/browse/FHIR-45390)
* corrected MedicationRequest combined search parameter 'patient+intent+authoredon' from SHALL to SHOULD [AU Core: FHIR-46167](https://jira.hl7.org/browse/FHIR-46167)
* corrected narrative of Location identifier parameter requester requirements on providing both the system and code values from SHOULD to MAY [AU Core: FHIR-46209](https://jira.hl7.org/browse/FHIR-46209)
* replaced security and authorization requirements with pointer to Security and Privacy page [AU Core: FHIR-46067](https://jira.hl7.org/browse/FHIR-46067)
 

