Queensland Consolidated Acts(1) If--
(a) a person is interested in--
(i) a decision; or
(ii) conduct (including conduct that has been, is being, or is proposed to be, engaged in for the purpose of making a decision); or
(iii) a failure to make a decision or perform a duty according to law; and
(b) an application has been made to the court under this Act in relation to the decision, conduct or failure;
the person may apply to the court to be made a party to the application.
(2) The court may grant or refuse the application.