5(1)This paragraph applies where—
(a)a prohibited event occurs in relation to a security at any time (the time in question), and
(b)immediately before that time it was a qualifying convertible security.
(2)The security shall cease to be a qualifying convertible security for the purposes of this Schedule at the time in question.
(3)For the purposes of this paragraph, a prohibited event occurs in relation to a security if—
(a)it ceases to be quoted in the official list of a recognised stock exchange,
(b)it becomes subject to a provision under which it carries a right to interest at a rate which is variable or falls to be determined at a time other than issue (or both),
(c)it becomes subject to a provision under which any amount payable on redemption (at any time) is payable in a currency different from that in which the issue price is denominated,
(d)it becomes subject to a provision under which any amount payable by way of interest is payable in a currency different from that in which the issue price is denominated,
(e)it becomes subject to a provision which would be a qualifying provision for redemption but for the fact that one or more of sub-paragraphs (b) to (d) of paragraph 1 above is (or are) not fulfilled as regards the provision, or
(f)there is a time when more than 10 per cent. of the securities issued under the relevant prospectus are held by companies which are linked companies at that time.
(4)For the purposes of sub-paragraph (3)(f) above the relevant prospectus is the prospectus under which the security concerned was issued.
(5)For the purposes of sub-paragraph (3)(f) above, the question whether companies are linked companies at a particular time shall be determined in accordance with paragraph 4 of Schedule 11 to the [1988 c. 39.] Finance Act 1988.