(1) In this section -
"conversion of securities" includes -
(a) a conversion of securities of a company into shares in the company,
(b) a conversion at the option of the holder of the securities converted as an alternative to the redemption of those securities for cash where the conversion takes place before 4 December 2002, or where the conversion takes place after that date pursuant to a binding written agreement made before that date, and
(c) any exchange of securities effected in pursuance of any enactment which provides for the compulsory acquisition of any shares or securities and the issue of securities or other securities instead;
"security" includes any loan stock or similar security, whether of any government or of any public or local authority or of any company and whether secured or unsecured but excluding securities within section 607.
"investment undertaking" and ''unit'' have the same meanings respectively as in section 739B;
(1A) For the purposes of this section, a conv
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