La. Stat. tit. 19 § 4
Current with operative changes from the 2024 Third Special Legislative Session
Expropriation cases shall be tried before the court without a jury, except that a party shall have the right to trial by jury to determine compensation. If the plaintiff desires a trial by jury the demand shall be made in the petition. If the defendant desires trial by jury he shall file his demand therefor within the time for filing his answer. Once any party has timely demanded a jury trial, that demand is effective against and binding upon all parties and cannot thereafter be waived without the consent of all parties.
La. R.S. § 19:4