La. Consolidated Public Retirement § 11:951.88
With the provision that no optional selection shall be effective in case a participant retires or dies within thirty days after the date of retirement, and that in all such cases there shall be paid the amount of the contributions of the participant as if he had died in active service, until the first payment on account of any retirement allowance becomes normally due, and participant may elect to receive his benefit in a retirement allowance payable throughout life, or he may elect to receive the actuarial equivalent, at that time, in a reduced retirement allowance payable throughout his life with the provision that if he dies before he has received in annuity payments an amount equal to his returnable contributions at the time of retirement, the balance shall be paid to any person he shall have nominated by written designation duly acknowledged and filed with the board of trustees, otherwise to his succession.
La. Consolidated Public Retirement § 11:951.88