7U.K.In any case where, following the giving of a notice of appeal, an election is made in respect of expenditure which (under paragraph 6(1), paragraph 7(2) or paragraph 8(2) of Schedule 5 to the principal Act) is treated for the purposes of Part I of that Act as having been allowed as qualifying for supplement on the date on which the notice of appeal was given, the relevant date for the purposes of paragraph 5(1) above is the date on which that notice was given; and in any assessment to tax or determination (relating to the field of origin or the receiving field) all such adjustments or further adjustments shall be made as are necessary in consequence of the election.