Paragraph 2 Registration plate - specification
A registration plate must have solid black characters on a white background.
The surface of a registration plate must not comprise or incorporate any design, pattern or texture, or be treated in any way which gives to any part of the plate the appearance of a design, pattern or texture.
A registration plate must not be treated in any other way which—
renders the characters of the registration mark less easily distinguishable to the eye; or
would prevent or impair the making of a true photographic image of the plate through any device.
The corners of a registration plate may be rounded off provided that the requirements of sub-paragraphs (5) and (6) (margins around registration marks) of paragraph 1 are not infringed.
No material, other than a registration mark, may be displayed on a registration plate except for information that identifies the manufacturer of the registration plate.