Paragraph 12 Placarding
Where the consignment in or on the vehicle is unpackaged LSA-I or SCO-I or where an exclusive use consignment is packaged radioactive material comprised of a single United Nations Number commodity, the appropriate United Nations Number (see Schedule 37) shall also be displayed, in black digits not less than 65 mm high, either:
(a)
in the lower half of the placard shown in Fig. 5 in the Appendix below, against the white background, or
(b)
on the placard shown in Fig. 6 in the Appendix below. When the alternative given in (b) above is used, the subsidiary placard shall be affixed immediately adjacent to the main placard on the two lateral walls and the end wall of the vehicle.