(1) Goods are "dangerous goods" if the goods—
(a) are determined under section 29 (1) (a) (Determinations—dangerous goods and packaging) to be dangerous goods; or
(b) satisfy the dangerous goods classification criteria mentioned in the ADG code, part 2.
(2) However, goods that satisfy the criteria mentioned in the ADG code, part 2 are not "dangerous goods" if the goods are—
(a) determined under section 29 (1) (a) not to be dangerous goods; or
(b) described as not subject to the ADG code in a special provision in the ADG code, chapter 3.3 that is applied to the goods by the dangerous goods list, column 6.