Louisiana constitution
Article 10
Section 12

(B) Cities. Each city commission established by Part I of this Article shall have the exclusive power and authority to hear and decide all removal and disciplinary cases, with subpoena power and power to administer oaths. It may appoint a referee to take testimony, with subpoena power and power to administer oaths to witnesses. The decision of a commission shall be subject to review on any question of law or fact upon appeal to the court of appeal wherein the commission is located, upon application filed with the commission within thirty calendar days after its decision becomes final.