Road Traffic (Carriage of Dangerous Substances in Road Tankers and Tank Containers) Regulations (Northern Ireland) 1992

1.  The signs shall conform in form and colour with those shown in Column 3 of Part I, except that—

(a)in the case of the signs adjoining the classifications “non-flammable compressed gas”, “flammable gas” and “flammable liquid” the symbol and the lettering may be in white;

(b)in the case of the sign adjoining the classification “spontaneously combustible substance” the lettering may be in white;

(c)in place of the word “toxic” wherever it occurs the word “poison” may be

(d)in place of the word “flammable” wherever it occurs the word “inflammable” may be used;

(e)in the case of the sign adjoining the classification “harmful substance”, the word “harmful” may be shown in black lettering under the symbol; and

(f)the sign may show the class number in accordance with the IMDG Code.