8(1)Each relevant computational item must be apportioned between—U.K.
(a)any basic life assurance and general annuity business carried on by the company as at 31 December 2012,
(b)any gross roll-up business carried on by the company as at that date, and
(c)any PHI business carried on by the company as at that date.
(2)The Treasury may make regulations for apportioning for the purposes of this Part of this Schedule relevant computational items between those businesses (including provision for the whole amount of a relevant computational item to be apportioned to one of those businesses).
(3)A relevant computational item (or a part of a relevant computational item) allocated in accordance with this paragraph to the company's basic life assurance and general annuity business or gross roll-up business is dealt with in accordance with paragraph 9 or 10.
(4)But a relevant computational item (or a part of a relevant computational item) allocated in accordance with this paragraph to the company's PHI business is ignored in the application of the remaining provisions of this Part of this Schedule.