CAP. 106]
[r
15 cont l
G.N.A. 271/49.
G.N.A. 5/48.
G.N.A. 5/48.
G.N. 895/36.
Telecommunication.
(c) Air Radio Operator's Endorsement (d) 2nd Class (Far East Zone) Certificate (e) Special Class Certificate
(f) Telephony "General" Certificate (g) A Watcher's Certificate
$10
$10
$10
$5
$...
(7) For a duplicate of any certificate a fee as may be decided by the licensing authority shall be payable.
16. The licensee of a ship station or of an aircraft station shall forthwith deliver up the licence to the licensing authority-
(a) if the licence has been cancelled;
(b) if the licence has expired by effluxion of time;
(c) if the licensee has ceased to be the owner of the ship or the aircraft;
(d) if the nationality of the ship or the aircraft has changed; or
(e) if the port of registry of the ship or the aircraft has been changed.
17. If any ship or aircraft in respect of which a wireless telegraphy licence shall have been granted is absent from the Colony at the time of expiry of such licence then and in such case the production of the licence which shall have so expired, or a copy certified by the licensing authority to be a true copy thereof, shall be deemed, until the next subsequent return of the said ship or aircraft to the Colony of Hong Kong, to be prima facie proof that the licensee therein named is the holder of a current licence in like terms.
18. Every licensee and every holder of a certificate shall forthwith comply with any requirement of the licensing authority for production, handing over or delivery up of his licence or certificate, whether current or otherwise, to the licensing authority.
19. All apparatus for wireless telegraphy on board any ship, whether British or foreign, not having the status of a ship of war, in the waters of the Colony or on any aircraft in or over the Colony shall be worked in such a way as not to interfere with (a) naval signalling; or (b) the working of any wireless telegraph station lawfully established, installed, or worked in the Colony or the waters thereof, and in parti-
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