Louisiana Revised Statutes Tit. 6, § 1045. Hearings

No license shall be denied or revoked except after a hearing thereon. The commissioner shall give the applicant or licensee at least twenty days' written notice of the time and place of such hearing. The notice shall be by registered or certified mail addressed to the principal place of business of such applicant or licensee. Any order of the commissioner denying or revoking such license shall state the grounds upon which it is based and shall not be effective until twenty days after written notice thereof has been sent by registered or certified mail to the applicant or licensee at such principal place of business.