Hong Kong Regulations

MERCHANT SHIPPING (REGISTRATION) (TONNAGE) REGULATIONS - REGULATION 10

Cancellation of certificates

(1) Where alterations are made in the arrangement, construction, capacity, use
of spaces, total number of passengers the ship is permitted to carry under the
terms of the ship's passenger certificate, assigned load line, or permitted
draught of the ship such as would cause an increase in the gross or net
tonnage, the existing International Tonnage Certificate (1969) shall cease to
be valid and shall be delivered up to and cancelled by the
Certifying Authority.

(2) When a ship is transferred from the Hong Kong Register the International
Tonnage Certificate (1969) shall cease to be valid except when the transfer is
to the Administration of a state which is a Contracting Government in which
case the certificate may remain in force for a period not exceeding 3 months
or until the new Administration issues another International Tonnage
Certificate (1969) whichever is the earlier. The Certifying Authority shall
transmit to the Administration of that Government as soon as possible after
the transfer has taken place a copy of the certificate carried by the ship at
the time of transfer and a copy of the relevant tonnage calculations.