57.—(1) Subject to paragraph (3), for the purposes of this Part a “fixed penalty offence” is an offence specified in an order made under paragraph (2).
(2) The Department may by order specify as a fixed penalty offence for the purposes of this Part, any offence committed in respect of a vehicle, being an offence created under a statutory provision and punishable on summary conviction.
(3) Notwithstanding that an offence is specified by order under paragraph (2), it shall not be a fixed penalty offence for the purposes of this Part if it is committed—
(a)by causing or permitting a vehicle to be used by another person in contravention of any provision made or restriction or prohibition imposed by or under any statutory provision, or
(b)by the holder of a temporarily restricted licence during a period of restriction and a court on convicting him of the offence would be obliged to order, by virtue of Article 19A(6) of the Order of 1981, that the period of restriction be extended for a further period.