Option 1. If he dies before he has received in annuity payments the present value of his member's annuity as it was at the time of his retirement, the balance shall be paid to his legal representatives or to such person as he shall nominate by written designation duly acknowledged and filed with the board of trustees; or
Option 2. Upon his death, his reduced retirement allowance shall be continued throughout the life of and paid to such person as he shall nominate by written designation duly acknowledged and filed with the board of trustees at the time of his retirement; or
Option 3. Upon his death, one-half of his reduced retirement allowance shall be continued throughout the life and paid to such person as he shall nominate by written designation duly acknowledged and filed with the board of trustees at the time of his retirement; or
Option 4. Some other benefit or benefits shall be paid either to the member or to such person or persons as he shall nominate; provided such other benefit or benefits, together with the reduced retirement allowance, shall be certified by the actuary to be of equivalent actuarial value to his retirement allowance, and approved by the board of trustees.
La. Consolidated Public Retirement § 11:3385