66. The following plans are outside the scope of this division:(1) a pension plan in which the remuneration used for the purpose of calculating a member’s pension corresponds to the average of his last remunerations;
(2) a pension plan in which the remuneration used for the purpose of calculating a member’s pension corresponds to his highest remunerations during a specified number of years;
(3) a pension plan under which the pension is automatically increased by using for its determination an index or rate provided for in the plan;
(4) an insured pension plan.