3. Article 2(a) does not transfer—
(a)any functions so far as they are exercisable in relation to an excepted energy building;
(b)functions under section 44(5) of the 1984 Act (functions exercisable by the Secretary of State as a Crown authority); or
(c)functions under section 42(7) or 134(1) of the 1984 Act (power of the Secretary of State to appoint a day for a modification to cease to have effect or for a provision to come into force).