Commonwealth Numbered Regulations Commonwealth Numbered Regulations(1) The Court may grant leave to be heard in a proceeding to a person who is not a party to the proceeding.
(2) The Court may grant the leave on conditions, and may revoke the leave at any time.
(3) The Court may order the person to pay costs if:
(a) the granting of leave to the person causes additional costs for a party to the proceeding; and
(b) the Court considers that the costs should be paid by the person.
(4) The Court may also order that the person is not to be further heard in the proceeding until the costs are paid or secured to the Court's satisfaction.
(5) The Court may grant leave or make an order under this rule:
(a) on the Court's own initiative; or
(b) on the application of a party, or a person who has an interest in the proceeding.
(6) An application for leave or for an order must be made by filing an interim application in accordance with Form B3.