The board of trustees of the teachers' retirement system shall determine annually the amount required to pay the cost of the benefits provided in this Part and shall certify this amount to the state auditor, but the amount so certified shall not exceed in any one fiscal year the sum of twenty thousand dollars. The state auditor shall thereupon issue a voucher to the state treasurer authorizing him to pay the amount of the said voucher, whereupon the treasurer shall pay said amount out of the avails of the public school fund.
La. Consolidated Public Retirement § 11:901.34