Full Court Minute Books

Case C7/2018

The Commonwealth of Australia & Anor v. Commissioner Bret Walker SC & Anor

Case No.


Case Information


Whether the Royal Commissions Act 1917 (SA) authorises the Commissioner of the Murray-Darling Basin Commission (SA) to issue summonses requiring the attendance of, or to require the production of documents from, current and former officers or employees of the Commonwealth or of the Murray-Darling Basin Authority (Cth) or residents of another State, or to impose penalties for failure to comply with such summonses. In the alternative, whether ss 10(b)-(d) and ss11(1)(f),11(2) and 11(3) of the Act are constitutionally invalid in their application to such persons.


13/06/2018 Writ of summons

13/06/2018 Notice of constitutional matter (Plaintiffs)

14/06/2018 Submitting appearance (First Defendant)

21/06/2018 Hearing (Single Justice, Brisbane by video-link to Adelaide and Canberra)

04/07/2018 Notice of constitutional matter (Second Defendant)

30/07/2018 Hearing (Single Justice, Brisbane by video-link to Adelaide and Melbourne)

06/08/2018 Written submissions (Plaintiffs)

07/08/2018 Chronology (Plaintiffs)

17/08/2018 Written submissions (Attorney-General for the State of New South Wales intervening)

28/08/2018 Consent orders discontinuing proceedings

09/10/2018 Hearing (Full Court, Canberra) - VACATED

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