5.—(1) This section applies to a request for an investigation under section 2 of the Act of 2001 made before the commencement of section 2.

(2) A request to which this section applies shall, as regards its substance, be dealt with under section 2 of the Act of 2001 as if that section 2 had not been amended by this Act but in all other respects in accordance with that section 2 as it stands amended by this Act.