La. R.S. 11:1673

For the purpose of meeting disbursements for pensions, annuities, and other payments there may be kept available cash, not exceeding ten percent of the total amount in the several funds of the retirement system, on deposit in one or more banks or trust companies of the state of Louisiana organized under the laws of the state of Louisiana or of the United States, provided, that the sum of deposit in any one bank or trust company shall not exceed twenty-five percent of the paid up capital and surplus of such bank or trust company.