Paragraph 14 Display of the telephone number
Subject to paragraph 16, where a vehicle is carrying a multi-load in tanks, the telephone number shall be displayed—
(a)
at the rear of the vehicle;
(b)
on both sides of—
(i)
each tank,
(ii)
the frame of each tank, or
(iii)
the vehicle; and
(b)
in the immediate vicinity of those orange-coloured panels which conform to figure 2 or figure 3.