15.6. Where a pension plan provides for the payment of variable benefits as a temporary income, the following rules apply, according to the age of the member or his spouse at the end of the year preceding the one concerned by the payment:(1) where he is at least 55 years of age but less than 65 years of age, the conditions set out under sections 19.1, 20.3, 20.4, 21 and 22.2, along with schedules 0.4, 0.8 and 0.9, apply with the necessary modifications;
(2) where the member is less than 55 years of age, the conditions set out under sections 19.2, 20.5, 21 and 22.2, along with schedules 0.5 and 0.9.1, apply with the necessary modifications..