CASA or Airservices Australia must deny authorisation for an aircraft to land in, take off from or fly over Australian territory if:
(a) CASA or Airservices Australia has reasonable grounds to believe that goods or personnel prohibited by paragraph 9 of Resolution 1970, paragraph 18 of Resolution 1973, or any other relevant resolution, are on board the aircraft; or
(b) the Chief Executive Officer of a designated Commonwealth entity:
(i) has reasonable grounds to believe that goods or personnel prohibited by paragraph 9 of Resolution 1970, paragraph 18 of Resolution 1973, or any other relevant resolution, are on board the aircraft; and
(ii) informs CASA or Airservices Australia of that belief.