1A conviction, in relation to an authorised vehicle, of the holder of the licence or a servant or agent of his of contravening or failing to comply with any statutory provision (however expressed) relating to—
(a)the maintenance of vehicles in a fit and serviceable condition, or
(b)limits of speed and weight, laden and unladen, and the loading of goods vehicles, or
(c)the time for which drivers of such vehicles as are regulated by section seventy-three of this Act may remain continuously on duty and the hours which they are to have for rest, or
(d)the keeping by holders of licences under Part IV of this Act of records as to hours Of work, journeys, loads and other matters.