Louisiana Revised Statutes Tit. 11, § 951.83. Retirement allowances

(1) An annuity which shall be the actuarial equivalent of his accumulated contributions at retirement; and

(2) A pension on account of service on and after the effective date of the establishment of the retirement system equal to the annuity based on the actuarial equivalent of his accumulated contributions at his normal service retirement age or at time of retirement if earlier than the normal service retirement age; and

(3) If he has prior service credit in full force and effect, an additional pension which shall be equal to the annuity which would have been provided at his normal service retirement age or at the age of retirement if earlier than normal service retirement age by twice the contributions which he would have made during such prior service had the retirement system been in operation and he contributed thereunder.