Maximum fares for use of hackney carriages

(1) The owner or driver of every hackney carriage may demand and receive for the hire of such carriage such fares as may be fixed and published by the registering authority with the sanction of the Director, duly notified: Provided that any agreement entered into to accept a fare lower than the fare so fixed shall be binding. (2) No owner or driver shall demand or receive over and above the said fare any sum for back fare for the return of the carriage from the place at which it was discharged.