(1) Where the assets and liabilities of an undertaking to be dealt with in the group accounts have been valued by a different method to that being used in the group accounts they shall be revalued in accordance with the method used in the group accounts and subject to paragraphs (2) and (3), shall be included in the group accounts on the basis of such revaluation.
(2) The revaluation in paragraph (1) need not be made where it is not material for the purposes of Regulation 14 (1).
(3) If in the opinion of the directors of the parent undertaking there are special reasons for departing from the provisions of paragraph (1) they may do so and any such departure and the reasons therefore shall be stated in the notes to the group accounts.