Section 16 of the 1986 Act is hereby amended -
(a) by the substitution for paragraph (b) of subsection (1) of the following -
"(b) holds a qualifying capital interest equal to 20 per cent. or more of all such interests in an undertaking that is not its subsidiary undertaking (in this section referred to as "an undertaking of substantial interest"),";
(b) by the addition of the following paragraphs after the paragraph inserted by paragraph (a):
"(c) for the purposes of subparagraph (b), interests held by persons acting in their own name but on behalf of the company shall be deemed to be held by the company,
(d) in this section, "qualifying capital interest" shall have the meaning assigned to it in Regulation 35 (2) of the European Communities (Companies: Group Accounts) Regulations, 1992,
(e) paragraph (4) of Regulation 35 of the European Communities (Companies: Group Accounts) Regulations, 1992, shall apply in determining the percentage of qualifying capital interests held by a co