La. Stat. tit. 38 § 1765
The police juries creating gravity drainage districts as aforesaid, with corporate powers, shall designate the domicile of the corporation, at which domicile it shall be sued and service of citation made on its president, either in person or on some person in charge of the office. The domicile of a sub-drainage district shall be the domicile of the parent district. The domicile of the drainage district when once established by the police jury may thereafter be changed and a new domicile fixed by a resolution of the drainage commissioners, and notice to that effect, signed by the president of the commission, shall be published for thirty days in a newspaper published in the parish in which the gravity drainage district is situated. When any gravity drainage district is created hereunder, the police jury shall designate the time and place for the first meeting of the commission.
La. R.S. § 38:1765