6.—(1) Where, before commencement—
(a)listing particulars were submitted to the Authority pursuant to old listing rules made for the purposes of section 144(2A)(a) of the 1986 Act, but
(b)dealings in the securities which were the subject of the particulars had not begun following their admission to the official list,
for the purposes of section 81 (supplementary details to be submitted in the event of a change or new matter arising) the particulars are to be treated as having been submitted to the competent authority under section 79 (and any supplementary particulars published under section 147(1) of that Act are to be treated as having been published under section 81(1)).
(2) In the application of section 81 by virtue of paragraph (1) above, the reference in section 81(1)(a) to section 80 is to be treated as a reference to section 144 of the 1986 Act, the reference to listing rules is to be treated as a reference to old listing rules, and the reference to the competent authority is to be treated as a reference to the competent authority for the purposes of Part IV of the 1986 Act.
(3) Where, before commencement—
(a)a prospectus was submitted to the Authority pursuant to old listing rules made for the purposes of section 144(2)(a) of the 1986 Act, but
(b)dealings in the securities which were the subject of the prospectus had not begun following their admission to the official list,
for the purposes of section 81 (supplementary details to be submitted in the event of a change or new matter arising) as applied in relation to a prospectus by section 86, the prospectus is to be treated as having been submitted to the competent authority under section 79 (and any supplementary prospectus published under section 147(1) of that Act as applied by section 154A of that Act is to be treated as having been published under section 81(1) as applied in relation to a prospectus by section 86).
(4) Where, before commencement—
(a)a prospectus was submitted to the Authority pursuant to old listing rules made for the purposes of section 156A(1) of the 1986 Act, but
(b)the period during which the offer to which the prospectus relates remains open had not come to end,
for the purposes of section 81 (supplementary details to be submitted in the event of a change or new matter arising) as applied in relation to a non-listing prospectus by section 87(5) and Schedule 9, the prospectus is to be treated as having been submitted to the competent authority under section 87 (and any supplementary prospectus published under section 147(1) of that Act as applied by section 156A of that Act is to be treated as having been published under section 81(1) as applied in relation to a non-listing prospectus by section 87(5) and Schedule 9).
(5) In this article any reference to any provision of old listing rules includes, in relation to non-Part IV securities, a reference to that provision as applied by the Authority to such securities as part of its procedures and practices in relation to the admission of such securities to the official list.