(1) The interest of an undertaking dealt with in the group accounts in an associated undertaking, and the amount of profit or loss attributable to such an interest, shall be shown in the group accounts by way of the equity method of accounting including dealing with any goodwill arising in accordance with paragraphs 5 to 7 and 9 of the Schedule to the 1986 Act.
(2) Where the associated undertaking is itself a parent undertaking, the net assets and profits or losses to be taken into account are those of the parent and its subsidiary undertakings (after making any consolidation adjustments).
(3) The equity method of accounting need not be applied if the amounts in question are not material for the purpose of giving a true and fair view.