La. R.S. 38:1650

In the event of a change in the boundaries of a drainage district so as to include additional land therein, or of a change in the plan for reclamation, the board of commissioners shall appoint three appraisers possessing the same qualifications as the appraisers appointed under R.S. 38:1623 to appraise property to be expropriated, assess benefits and damages, and estimate costs of improvements to be made under the plan for reclamation, and they shall do so and make their report in the same manner as is provided by R.S. 38:1623, 38:1624, 38:1625, 38:1626, after which the same proceedings shall be had as is provided for in preceding sections of this Part.