Louisiana Revised Statutes Tit. 11, § 3016. Guaranty

A. The maintenance of actuarial reserves for the various allowances and benefits under this Part, and the payment of all annuities, retirement allowances, refunds and other benefits granted under the provisions of this Part, are hereby made obligations of the Employer's Accumulation Account. All income, interest, and dividends derived from deposits and investments authorized by this Part shall be used for the payment of the obligations of the system.

B. Any retirement allowance or other annuity or benefit provided by this Part shall be paid in equal monthly installments for life and shall not be increased, decreased, revoked or repealed, except for error, or except where specifically otherwise provided by this Part.