5(1)In paragraph 4 above—
“film” means an original master negative of a film, an original master film disc or an original master film tape;
“oil rig” means any ship which is an offshore installation for the purposes of the [1971 c. 61.] Mineral Workings (Offshore Installations) Act 1971;
“pleasure craft” means any ship of a kind primarily used for sport or recreation;
“research and development” means any activity which is intended to result in a patentable invention (within the meaning of the [1977 c. 37.] Patents Act 1977) or in a computer program; and
“sound recording”, in relation to a film, means its sound track, original master audio disc or original master audio tape.
(2)For the purposes of paragraph 4 above, in the case of a trade carried on by a company, a person has a controlling interest in that trade if—
(a)he controls the company;
(b)the company is a close company and he or an associate of his, being a director of the company, either—
(i)is the beneficial owner of more than 30 per cent. of the ordinary share capital of the company, or
(ii)is able, directly or through the medium of other companies or by any other indirect means, to control more than 30 per cent. of that share capital;
or
(c)not less than half of the trade could, in accordance with section 344(2), be regarded as belonging to him for the purposes of section 343;
and, in any other case, a person has a controlling interest in a trade if he is entitled to not less than half of the assets used for, or of the income arising from, the trade.
(3)For the purposes of sub-paragraph (2) above there shall be attributed to any person any rights or powers of any other person who is an associate of his.
(4)References in paragraph 4 above or this paragraph to a trade, except the references in paragraph 4(2)(f) to the trade for which services or facilities are provided, shall be construed without reference to so much of the definition of trade in section 832(1) as relates to adventures or concerns in the nature of trade; and those references in paragraph 4(2)(f) above to a trade shall have effect, in relation to cases in which what is carried on is carried on by a person other than a company, as including references to any business, profession or vocation.
(5)In this paragraph—
“associate” has the meaning given in subsections (3) and (4) of section 417, except that in those subsections, as applied for the purposes of this paragraph, “relative” shall not include a brother or sister; and
“director” shall be construed in accordance with subsection (5) of that section.