Australian Capital Territory Supreme Court Act 1933

Where no provision in relation to a matter of practice and procedure of the Supreme Court is contained in this or any other Act, an Ordinance, an enactment or Rules of Court, that matter shall be governed, as nearly as may be, by the practice and procedure of the High Court in similar matters and, if that practice and procedure is not applicable, that matter shall be governed, as nearly as may be, by the practice and procedure of the Supreme Court of New South Wales.