La. Stat. tit. 16 § 123
The governing authorities of the parishes of Ouachita and Morehouse shall annually budget an amount sufficient to pay the salaries of assistant district attorneys of the Fourth Judicial District as provided by R.S. 16:122.
The first, third, fourth and fifth assistant district attorneys shall receive, in addition to the annual salaries paid to them by the parish of Ouachita as provided in R.S. 16:122, such additional salaries as the police jury of the parish of Ouachita may provide.
The second and sixth assistant district attorneys shall receive as compensation for their services, in addition to the annual salary paid to them by the parish of Morehouse as provided in R.S. 16:122 such additional salary as the police jury of the parish of Morehouse may provide.
La. R.S. § 16:123