10.—(1) A registration mark must be displayed on a registration plate conforming to the requirements prescribed by this regulation.
(2) In the case of a vehicle first registered on or after 1st September 2001 the registration plate must conform to the requirements set out in Part 1 of Schedule 2.
(3) Subject to paragraph (4), in the case of a vehicle first registered on or after 1st January 1973 but before 1st September 2001 the registration plate must conform either to the requirements set out in Part 2 of Schedule 2 or to the requirements set out in Part 1 of that Schedule.
(4) Where on or after 1st September 2001 a new registration plate is fixed to a vehicle to which paragraph (3) applies to replace a plate previously fixed thereto, the plate must conform to the requirements set out in Part 1 of Schedule 2.
(5) In the case of a vehicle first registered before 1st January 1973, the registration plate must conform either to one of the requirements set out in Part 3 of Schedule 2 or to the requirements set out in Part 2 of that Schedule or to the requirements set out in Part 1 of that Schedule.
(6) The corners of a registration plate may be rounded off provided that the requirements of regulation 14(9) (margins around registration marks) are not thereby infringed.