La. Stat. tit. 33 § 2586
The fire and police civil service board of any municipality, parish, or fire protection district with a classified fire and police civil service system established as provided in R.S. 33:2471 or 2531 may establish a plan for awarding incentive pay to classified employees. The plan shall include the criteria for eligibility for incentive pay, the method by which classified employees shall be reviewed for eligibility, and how such eligibility shall be determined. Determination of the amount of incentive pay and which classified employees are to receive incentive pay shall be made by the appointing authority for the municipality, parish, or fire protection district subject to available funds budgeted for such purpose. The incentive pay awarded under the provisions of this Section shall be in addition to any other salary the classified employee is entitled to receive from the municipality, the state, or any other governmental entity.
La. R.S. § 33:2586