3. Each sign shall, for any part of it which is not black, have a black border, and that border shall—
(a)in the case of a sign required to be displayed at the rear of a vehicle or shown on a hazard warning panel, be at least 2 millimetres wide;
(b)in the case of a sign shown on a label, be at least 1 millimetre wide; or
(c)in either case, be a line which would comply with paragraph 3 of Part II of Schedule 2 to the Classification, Packaging and Labelling of Dangerous Substances Regulations (Northern Ireland) 1985(1) as read in conjunction with Column 3 of Part I of that Schedule.
(1)
S.R. 1985 No. 81; Part II of Schedule 2 was amended by S.R. 1989 No. 182