(1) Whenever any person (in this section referred to as the intending hirer) requests the driver of a street service vehicle then standing for hire in a fare bye-law area to drive him in such vehicle to a specified place within such area and tenders to such driver the lawful fare for such service it shall be the duty of such driver to comply with such request and if he fails or refuses so to do he shall, unless he has a reasonable excuse for such failure or refusal, be found guilty of an offence under this section and shall on summary conviction thereof be liable to a fine not exceeding two pounds.
(2) For the purpose of this section -
(a) a street service vehicle which has been hired by any person shall not, while such hiring continues, be deemed to be standing for hire, and
(b) proof that a mechanically propelled vehicle had affixed thereto a vehicle plate, and (if in a taximeter area) was fitted with a taximeter, and (in any case) was not occupied by any person other than the d