In this Part "excepted product" means a product of a description specified in regulations made by the Secretary of State.
The provision that may be made by regulations under this section includes, among other things—
provision as to whether, in a case where a product ("the secondary product") is incorporated into or attached to, or otherwise forms part of, another product ("the primary product"), the primary product is, or is not, to be regarded as an excepted product;
provision as to whether, in such a case, the secondary product is, or is not, to be regarded as an excepted product.
Regulations under this section are subject to the negative resolution procedure if the only provision they make under this section is provision—
varying any description of product specified in regulations under this section, or
specifying any description of product in relation to which requirements relating to security that, in the opinion of the Secretary of State, are equivalent to those specified under this Part will apply.
Except as provided by subsection (3), regulations under this section are subject to the affirmative resolution procedure.