La. Consolidated Public Retirement § 11:3231
All employees who are secured benefits under the provisions of this plan shall, on July 2, 1973, thenceforth and immediately thereupon cease to be eligible for benefits under any other municipal pension and relief and/or retirement plan and, on July 2, 1973, all funds and monies which have heretofore been paid into any pension and relief and/or retirement fund or plan and particularly the Municipal and Parochial Employees Retirement Plan, by any employee who thereupon becomes subject to benefits under this plan shall immediately be transferred into this Firemen's Pension and Relief Fund hereby created and the responsible fiscal officer for any such fund shall immediately take appropriate steps to transfer such funds or monies to this plan.
La. Consolidated Public Retirement § 11:3231