(1) Subject to subsections (2) and (3), references in the Principal Act to the functions of the Agency shall, except where the context otherwise requires, be construed as including references to the functions delegated to, or conferred on, it by or under this Act.

(2) Notwithstanding section 3(1) of the Principal Act, the functions delegated to, or conferred on, the Agency by or under Parts 3, 4 and 5 are not performed on the authority of the Government.

(3) The reference in section 4(3) of the Principal Act to the functions of the Agency shall be construed as not including references to the functions delegated to, or conferred on, it by or under Parts 3, 4 and 5.