1On 29th October 1974 each of the companies specified in Part I of this Schedule fulfilled the following conditions, namely,—
(a)the company was incorporated and had its principal place of business in Great Britain ; and
(b)the company was engaged in manufacturing complete aircraft or guided weapons ; and
(c)the aggregate of—
(i)the company's turnover for the relevant financial year, as stated or otherwise shown in its accounts, and
(ii)the turnover of each of the company's subsidiaries for the relevant financial year, as stated or otherwise shown in its accounts,
exceeded £7.5 million ; and
(d)the company was not a wholly owned subsidiary of a company which fulfilled each of the preceding conditions.