# AU Variance Statement - AU Core Implementation Guide v2.0.0-preview

* [**Table of Contents**](toc.md)
* [**Guidance**](guidance.md)
* **AU Variance Statement**

## AU Variance Statement

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

This version of the AU Core FHIR IG complies with [Version 1.0 of the HL7 Australia FHIR Work Group AU Variance Requirements](https://hl7.org.au/fhir/HL7%20AU%20Variance%20Requirements%20v1.0.pdf).

HL7 Australia published FHIR implementation guides are required to follow specific publishing requirements:

* **SHOULD** use AU Core profiles
* **SHOULD** use AU Base profiles and extensions
* **SHALL** include an AU Variance Statement page

### Variance from AU Base

This implementation guide has no variance (i.e. fully compliant) from AU Base FHIR Implementation Guide version 6.0.0-preview ([6.0.0-preview](https://hl7.org.au/fhir/6.0.0-preview/index.html)).

#### Additionally Profiled Resources

This implementation guide profiles the following resources that are not profiled in AU Base:

* Extension 
* [AU Core Sex Assigned At Birth](StructureDefinition-au-core-rsg-sexassignedab.md) profiles core FHIR extension [Person Recorded Sex Or Gender](http://hl7.org/fhir/StructureDefinition/individual-recordedSexOrGender)
 

