(1) A noise abatement order has no force in so far as it is directed to--(a) the State or a person acting on behalf of the State, or(b) a public authority or a person in the capacity of a member, officer or employee of a public authority, or(c) a person or body prescribed by the regulations for the purposes of this paragraph.
(2) A noise abatement order has no force in so far as it would have the result of affecting--(a) any activity carried on by or for the State or a public authority, or(a1) any activity carried on by an authorised network operator (within the meaning of the Electricity Network Assets (Authorised Transactions) Act 2015 ), or(b) any scheduled activity, or any other activity or work that is the subject of an environment protection licence, or(c) any activity of a class or description prescribed by the regulations for the purposes of this paragraph.