For regulation 40 of the Principal Regulations substitute —
The UN Class or UN Division of particular dangerous goods for the purposes of these Regulations is—
(a) if a determination under
regulation 30(1)(b) that the goods
are of a particular UN Class or
UN Division is in effect in relation to the goods, the UN Class or UN Division
specified in the determination; or
(b) if no such determination is in effect, the UN Class or UN Division determined for the goods in accordance with the ADG Code.".