Part 2: Trailers Policy Background Section 15: Registration marks and registration plates
Section 15 allows the Secretary of State to make provision for the assignment of registration marks (more commonly known as registration numbers) to trailers when registering a trailer. The regulations may allow for registration marks be reassigned or withdrawn (subsection (2)).
	Regulations made under this section may prohibit a person from keeping or using a registered trailer unless a registration plate, bearing the trailer’s registration mark, is fixed to the trailer (subsection (3)). The regulations may set out the technical specifications of registration plates and marks (size, shape, etc.) (subsection (4)). The display of a registration mark on a trailer that the mark is not assigned to may also be prohibited (subsection (5)).