La. Stat. tit. 13 § 2512
Notwithstanding Code of Criminal Procedure Article 382, all proceedings in the Municipal and Traffic Court of New Orleans shall be initiated by affidavit or bill of information. The affidavit shall consist of the sworn statement of the complainant, or the law enforcement officer, filed with the court on a form approved by the respective court. The city council of the city of New Orleans may designate by ordinance certain police officials who shall have the power to take oaths, and verify affidavits filed by other members of the New Orleans police department, the Orleans Parish Sheriff's Office or the constable. The city attorney of the city of New Orleans or any of his assistants may also initiate prosecutions by affidavit or bill of information on information and belief in the Municipal and Traffic Court of New Orleans.
La. R.S. § 13:2512