Hong Kong Regulations

ROAD TRAFFIC (CONSTRUCTION AND MAINTENANCE OF VEHICLES) REGULATIONS - REGULATION 43

Taximeter drive

(1) The gear box or transducer fitted in a taximeter drive shall be so
designed that the output revolutions or the number of electronic pulses
produced and the drive cable connections are acceptable to approved types of
taximeters.

(2) All cable and taximeter gear box or transducer connections shall be
capable of being sealed to the satisfaction of the Commissioner.

(3) A plate of an approved type and pattern shall be attached to every
taximeter gear box or transducer.

(4) The plate attached in accordance with paragraph (3) shall be clearly and
correctly marked with-

   (a)  the minimum effective circumference of the tyre on the wheels of the
        taxi to which the taximeter is connected;

   (b)  the number of teeth on any driving pinion which drives the taximeter
        gear box;

   (c)  the reduction gear ratio of the final drive of the vehicle
        transmission; and

   (d)  the gear ratio of the taximeter gear box or the number of electronic
        pulses produced in one kilometre.