(1) Subject to the provisions of this Part, no person shall interfere with an aircraft which has been involved in an accident, the wreck or wreckage, a part or component thereof or anything transported therein or any marks resulting from the accident which may be of assistance in an investigation—
(a) until authorised to do so by the investigator-in-charge; and
(b) until, in the case of an aircraft which must be cleared by a customs officer by virtue of the provisions of the Customs and Excise Act, 1964 (Act No. 91 of 1964), clearance has been issued or permission granted by such officer.
(2) The provisions of subregulation (1) shall not prevent any action necessary for—
(a) the rescue or extrication of persons or animals from the aircraft or the wreck;
(b) the reasonable protection of the aircraft, the wreck or wreckage from destruction by fire or other causes;
(c) the safeguarding by the owner, operator or police guard of precious metals, jewellery or valuables;
(d) the prevention of danger or removal of an obstruction to other aircraft, other means of transport or to the public; and
(e) the removal of the aircraft, any part or component thereof or anything transported therein to a safe place, when in water or otherwise endangered.