7(1)In a consortium case, the amount that the related company may be required to pay by notice under this Part of this Schedule is the proportion of the unpaid tax corresponding—U.K.
(a)if the company is only within paragraph 4(1)(b), to the share which the company has had in the consortium for the relevant period,
(b)if the company is only within paragraph 4(1)(c), to the share which companies that have been members of the same group of companies as the company have had in the consortium for the relevant period, or
(c)if the company is within paragraph 4(1)(b) and (c), to whichever is the greater of the amounts given by paragraph (a) and (b).
(2)For the purposes of this paragraph, a member's share in a consortium, in relation to the relevant period, is whichever is the lowest in that period of the percentages specified in sub-paragraph (3).
(3)Those percentages are—
(a)the percentage of the ordinary share capital of the taxpayer company which is beneficially owned by the member,
(b)the percentage to which the member is beneficially entitled of any profits available for distribution to equity holders of the taxpayer company, and
(c)the percentage to which the member would be beneficially entitled of any assets of the taxpayer company available for distribution to its equity holders on a winding up.
(4)If any of the percentages mentioned in sub-paragraph (3) has fluctuated in the relevant period, the average percentage over the period is to be taken.
(5)Chapter 6 of Part 5 of CTA 2010 (equity holders and profits or assets available for distribution) applies for the purposes of sub-paragraph (3) as it applies for the purposes of sections 143(3)(b) and (c) and 144(3)(b) and (c) of that Act.