2. Except as otherwise provided in this Act (but not the regulations), the provisions of this Act shall apply to all workplaces.
—(1) Except as provided in subsection (2), this Act shall bind the Government and shall apply to —
any workplace wholly or partly owned or occupied by the Government; and
any premises in which any building operation or any work of engineering construction is carried on by or on behalf of the Government.
(2) Nothing in this Act shall render the Government liable to prosecution for an offence.
(3) For the avoidance of doubt, no person shall be immune from prosecution for any offence under this Act by reason that the person is engaged to provide services to the Government.