5.—(1) The provisions of paragraph (2) of this article shall apply to a person whose claim for lesser incapacity allowance was not made before the operative date and who is awarded such allowance for a period after the operative date at one of the rates shown in the second column of Part II of Schedule 1 to the principal Scheme.
(2) Any lesser incapacity allowance which is found to be payable to such a person as aforesaid in respect of a period before the operative date shall–
(a)in so far as it relates to the period from 12th April 1989 to 10th April 1990 inclusive, be paid at the rate shown in the first column of Part I of Schedule 1 to the principal Scheme which corresponds to the rate awarded to him for the period after the operative date; and
(b)in so far as it relates to a period before 12th April 1989 be paid at the rate or rates then in force which corresponds or correspond to the rate awarded to him for the period after the operative date.