48(1)Where conditions A to C are met in relation to a period of account of the worldwide group (“the relevant period of account”), the tested expense amount, the tested income amount and the available amount for the period are to be calculated in accordance with paragraph 50.
(2)Condition A is that—
(a)at any time before the end of the relevant period of account, a scheme is entered into, and
(b)the main purpose, or one of the main purposes, of any party to the scheme on entering into it is to secure that the amount of the relevant net deduction (within the meaning given by paragraph 49) is lower than it would be if that amount were calculated in accordance with paragraph 50.
(3)Condition B is that a result of the scheme is that—
(a)the sum of the profits of UK group companies that arise in relevant accounting periods and that are chargeable to corporation tax is less than it would be if that sum were determined in accordance with paragraph 50, or
(b)the sum of the losses of UK group companies that arise in relevant accounting periods (other than any taken into account in calculating profits within paragraph (a)) and that are capable of being a carried-back amount or a carried-forward amount is higher than it would be if that sum were determined in accordance with paragraph 50.
(4)Condition C is that the scheme is not an excluded scheme.
(5)In a case where—
(a)a profit or loss arises in an accounting period of a UK group company, and
(b)a proportion of that period does not fall within the relevant period of account,
the profit or loss is to be reduced, for the purposes of condition B, by the same proportion.