If the board of trustees of the teachers' retirement system of Louisiana finds that during any fiscal year the total amount of the benefits provided by this Sub-part exceeds the sum allocated or dedicated or appropriated by this Sub-part out of the state public school fund of the state of Louisiana to pay the cost of the benefits provided by this Sub-part, then the board of trustees shall reduce each monthly payment hereunder for each beneficiary of this Sub-part whose total payment exceeds the amount of one hundred fifty dollars per month by a proportionate percentage.
La. Consolidated Public Retirement § 11:901.11