The detention officer must thereupon deliver the original detention notice served by him or her, together with the return of service, to the principal officer who issued the detention notice and a copy-thereof to each of the following persons:
(a) the consular representative in the Republic, if any, of the ship's flag state;
(b) the ship's agent in the Republic, if any;
(c) the customs officer contemplated in section 45(2) of the Act at the harbour where the ship is situated; and
(d) the harbour authority or other authority, if any, who has jurisdiction or control over the sea where the ship is situated.