62. Any benefit determined on the basis of the normal pension shall, where the pension is established with reference to the progression of the member’s remuneration in the course of his period of employment, take into account the progression until the end of the member’s period of continuous employment, except(1) where the pension plan provides that the pension will cease to be established with reference to the progression of the member’s remuneration before the end of the member’s period of continuous employment, provided that date is not prior to the date on which the member ceases to be an active member;
(2) where the pension plan is amended to provide that, in respect of service credited to the member from the effective date of the amendment, the pension shall cease to be established with reference to the progression of the member’s remuneration.