40.—(1) This paragraph applies where a financial instrument is valued in accordance with paragraph 36 or 38 or an asset is valued in accordance with paragraph 39.
(2) Notwithstanding paragraph 13 in this Part of this Schedule, and subject to sub-paragraphs (3) and (4), a change in the value of the financial instrument or of the investment property or living animal or plant must be included in the profit and loss account.
(3) Where—
(a)the financial instrument accounted for is a hedging instrument under a hedge accounting system that allows some or all of the change in value not to be shown in the profit and loss account, or
(b)the change in value relates to an exchange difference arising on a monetary item that forms part of a company’s net investment in a foreign entity,
the amount of the change in value must be credited to or (as the case may be) debited from a separate reserve (“the fair value reserve”).
(4) Where the instrument accounted for—
(a)is an available for sale financial asset, and
(b)is not a derivative,
the change in value may be credited to or (as the case may be) debited from the fair value reserve.