Special Provision 166
Dangerous goods that are included in Class 6.1 due to inhalation toxicity in accordance with paragraph 2.28(c) of Part 2 (Classification) must, as applicable, be offered for transport, handled or transported under UN3381, UN3382, UN3383, UN3384, UN3385, UN3386, UN3387, UN3388, UN3389, UN3390, UN3488, UN3489, UN3490 or UN3491.
Applicable UN Numbers
UN1614, UN1828, UN2285, UN2478, UN2742, UN2983