SCHEDULES

7N.I.Where an assessment has become final and conclusive for the purposes of income tax for any year, that assessment shall also be final and conclusive for the purposes of computing liability for Class 4 contributions; and no allowance or adjustment of liability, on the ground of diminution of income or loss, shall be taken into account in computing profits F1... chargeable to Class 4 contributions unless that allowance or adjustment has previously been made on an application under the special provisions of the Income Tax Acts relating to it, or falls to be allowed under paragraph 3(5) of this Schedule.