La. Stat. tit. 22 § 840
Any association of the type described in R.S. 22:839 which desires to take advantage of the tax exemption granted therein shall pay an annual fee of two hundred fifty dollars to the commissioner of insurance and shall furnish him with a certified copy of its charter and bylaws and, annually, on or before the first day of March, an affidavit signed by its president and secretary, showing the names and addresses of all of its directors or managing officers and the nonprofit hospitals or medical societies which a majority of the directors represent. Upon payment of the fee by the association and approval of the affidavit by the commissioner of insurance, the latter official shall furnish the association with a certificate under seal of his office, certifying that the association is exempt from all taxes, fees, or assessments due to the state or to any of its political subdivisions, except the payment of the annual fee of two hundred fifty dollars.
La. R.S. § 22:840