(1) Subject to this Part, a Government ship is registrable.
(2) Subject to this Part, a registered Government ship ceases to be registrable if-
(a) it ceases to be a Government ship;
(b) the ship is taken in war or hostilities, as a result of which the Government has lost control over the operation of the ship;
(c) the ship is broken up, or is an actual or constructive total loss such that it is no longer capable of being used in navigation;
(d) the ship at the time of registration remains registered in a place outside Hong Kong; or
(e) the ship subsequently becomes registered in a place outside Hong Kong.