How do I lodge the Third Party Authority (AUTH)?

1. Pull the latest Third Party Authority into your practice management system. Your matter details (property address, lot and plan, parties, and your firm details) populate the form automatically, on your own machine. 2. Confirm the populated fields are correct and complete any office-use or matter-specific fields the catalogue does not fill. 3. Open Commonwealth Superannuation Corporation's online lodgement portal at https://www.csc.gov.au/ and upload the completed form.

Is this the current Commonwealth Superannuation Corporation form?

The template is version-tracked. A change-monitoring pipeline watches the Commonwealth Superannuation Corporation source and refreshes the form when it changes, so you assemble against the version they expect.

What data does the form need?

The form maps to the published matter-field vocabulary - the parties, matter details, and your firm details fill automatically from your matter, on your own machine. Practice management systems can fetch and assemble it through the document assembly API.

Government agency · Commonwealth Superannuation Corporation · Federal (Commonwealth)

Third Party Authority

PDF

Government agency form AUTH

v89b659f4 Updated 6 July 2026

Preview of the first page of Third Party Authority — Preview - first page of the form

How to lodge - Online portal

https://www.csc.gov.au/

1
Assemble the form
Pull the latest Third Party Authority into your practice management system. Your matter details (property address, lot and plan, parties, and your firm details) populate the form automatically, on your own machine.
2
Review and check
Confirm the populated fields are correct and complete any office-use or matter-specific fields the catalogue does not fill.
3
Upload to the council portal
Open Commonwealth Superannuation Corporation's online lodgement portal at https://www.csc.gov.au/ and upload the completed form.

Lodgement notesPublished in the PSSap forms folder as 'AUTH - Third Party Authority form'; used to nominate a third party (e.g. adviser, solicitor) to access member information.

This form maps to the published matter-field vocabulary, so your practice management system fills it from your matter data - on your own machine. Practice management systems can fetch and assemble it through the document assembly API.

View the official form on the Commonwealth Superannuation Corporation website

Third Party Authority

Third Party Authority

How to lodge - Online portal

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