70. (1) Where before the date of coming into operation of section 14 an investigation conducted under section 50 of the Principal Act has not resulted in a finding under section 50(7) of the Principal Act the investigation shall, on and after that date and subject to the modifications referred to in subsection (2), be considered to be an investigation under section 50 of the Principal Act as amended by this Act.

(2) The modifications are that—

(a) the investigator appointed by the Compliance Committee shall be deemed to have been appointed in accordance with section 50(2) and (2A) of the Principal Act as amended by this Act, and

(b) where before the date of coming into operation of section 14 submissions have been made by a contractor under section 50(5) of the Principal Act, but a finding has not been made under section 50(7) of that Act, the contractor may be afforded a further opportunity to make submissions to the Commission under section 50(5) of the Principal Act as amended by this Act.