5.—(1) Subject to sub-paragraph (2), the following information shall be shown on each hazard warning panel where the road tanker or tank container is being used to carry a multi-load—
(a)in space (1)—
(i)if the emergency action codes of all the dangerous substances being carried are specified in Part 1 of the approved list, the multi-load emergency action code ascertained in accordance with Part IIB of that list, or
(ii)if the emergency action codes of the dangerous substances being carried are not all specified in Part I of the approved list, no information;
(b)in space (2), the words “multi-load”;
(c)in space (3)—
(i)(where all the dangerous substances being carried bear the same classification) the sign shown in Column 3 of Part I of Schedule I which adjoins the description of the classification concerned which is set out in Column 2 of that Part (the sign to comply with the specifications contained in Part II of Schedule 1); except that where all the dangerous substances being carried bear the classification “other dangerous substance” the sign shown in Part II of Schedule 1 may be used (the sign to comply with the specifications contained in Part IV of Schedule l), or
(ii)(where not all the dangerous substances being carried bear the same classification) the sign shown in Part II of Schedule 1 (the sign to comply with the specifications contained in Part IV of Schedule 1):
(d)in space (4), the telephone number or the text specified in paragraph 7, in either case indicating where specialist advice can be obtained at all times when the substances are being carried; and
(e)in space (5) (if desired), where there is a single manufacturer or owner of a multi-load, his name or his house symbol, or both; otherwise the space shall be left blank.
(2) Sub-paragraph (1) shall not apply to a multi-load treated as a single load in accordance with the note to Part I of the approved list if the hazard warning panels required to be displayed by these Regulations on the road tanker or tank container in which the multi-load is carried are marked with the emergency action code, classification and appropriate substance identification number specified in that note.