La. Stat. tit. 16 § 230
The fourth assistant district attorney for the Ninth Judicial District shall receive as compensation for his services, in addition to the annual salary paid by the state, an annual salary of not less than five thousand two hundred fifty dollars, as fixed by the governing authority of the parish of Rapides, payable monthly by the governing authority of the parish of Rapides on the warrant of the fourth assistant district attorney. Any salary increases authorized as provided herein by the governing authority of the parish of Rapides which has remained in effect for a period of six months or more shall not be reduced. In the event the legislature fails to appropriate sufficient funds to pay that portion of the salary of the said fourth assistant district attorney which the state is required to pay, the governing authority of the parish of Rapides may appropriate and pay such amount in addition to that amount required to be paid by the governing authority; provided, however, that whenever the state appropriates or otherwise makes available the funds necessary to pay the state's portion of the salary, the governing authority of the parish of Rapides shall discontinue the payment of such amount.
La. R.S. § 16:230