324Restriction on debits resulting from revaluation
(1)No debit is to be brought into account for the purposes of this Part as a result of the revaluation of an asset representing a creditor relationship of a company except—
(a)an impairment loss, or
(b)a debit resulting from a release by the company of any liability under the relationship.
(2)For the meaning of “impairment loss” see section 476(1).
(3)The reference in subsection (1) to revaluation of an asset includes any case where a provision or allowance is made by the company reducing the carrying value of the asset or of a group of assets including the asset in question.
(4)This section does not affect the debits to be brought into account in respect of exchange gains or losses.
(5)This section does not apply if fair value accounting is used.