La. R.S. 39:1245

"Depositing authority" as used in this Part means the commissioner of public finance or the finance officer, or any department, board, commission, or institution of cities located in this state having a population exceeding one hundred fifty thousand according to the last preceding census of the United States for which the official figures have been published, and "fiscal agent bank" or "depository" means any bank selected and designated by the commission council or governing body of such cities, for deposit of funds belonging to or held in custody for the above designated cities or any department, board, commission, or institution thereof.