146.47.No target benefit plan may include provisions
(1) establishing that the remuneration used to calculate the member’s pension corresponds to the average salary of the member’s last remunerated years or to the average of the member’s best remunerated years over a specified number of years;
(2) providing for the periodic increase of the member’s pension after retirement other than according to a fixed rate specified in the plan;
(3) granting benefits subject to the termination of the plan; or
(4) granting early retirement benefits that depend on the member’s number of years of employment or of credited service.