4 Amendment of the Road Vehicles (Display of Registration Marks) Regulations 2001
In regulation 16—
(a) after paragraph (4) insert—

“4A Subject to paragraph (4B), an eligible vehicle may display a plate or device which is green in colour.
4B The plate or other device referred to in paragraph (4A) must be—
(a) made from retroreflective material;
(b) colour Pantone 7481c or a colour match that is as close as possible to this colour;
Further information and a guide to the colour match for Pantone 7481c can be found on the Pantone website at https://store.pantone.com/uk/en/colorfinder/index/acfproduct/code/7481+C.
(c) no less than forty millimetres and no more than fifty millimetres in width.
4C No other vehicle may display a plate or other device which is green in colour.
4D Subject to paragraphs (5) to (8) there may be displayed on a plate or other device referred to in (4A) an arrangement of letters corresponding with one of the sub-paragraphs of paragraph (9) and an emblem corresponding with one of the sub-paragraphs of paragraph (10).”

;
(b) in paragraph (5) after “The” insert “plate or other device, ” and after “(4)” insert “, (4A), (4B) and (4D)”;
(c) after paragraph (10) insert—

“11 In this regulation—
(a) an “eligible vehicle” means a vehicle to which these regulations apply and which cannot produce any tailpipe emissions;
(b) where the eligible vehicle is towing a trailer, paragraphs (4A), (4B), and (4D) may also apply to the plate or other device fixed to that trailer.”

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