Commonwealth Consolidated Acts Commonwealth Consolidated Acts(1) A formal authority may be varied by a nominated Tribunal member only:
(a) in the case of a formal variation application (other than a formal variation application referred to in subparagraph (b)(ii))--by means of a written document, signed by the nominated Tribunal member (such a variation is a formal variation of authority ); or
(b) in the case of:
(i) an urgent variation application; or
(ii) a formal variation application, if the nominated Tribunal member is satisfied that the delay caused by granting a formal variation of authority may affect the success of the controlled operation;
orally in person, or by telephone or any other means of communication (such a variation is an urgent variation of authority ).
(2) The nominated Tribunal member must, as soon as practicable, prepare and give a written document that complies with section 15GX to the applicant.