Regulation 15 Assigning of registration marks
(1)
The Secretary of State, upon registering a trailer, must as soon as practicable assign a registration mark of one letter followed by seven numbers to the trailer.
(2)
The Secretary of State may—
(a)
assign a registration mark to a trailer to which another registration mark has previously been assigned;
(b)
withdraw a registration mark for the time being assigned to a trailer; or
(c)
re-assign to a trailer a registration mark previously assigned to it but subsequently withdrawn.