Notify the Louisiana Department of Revenue with the promotor or event coordinator’s name, address, telephone number, email address, and the date(s) of the event in which you are hosting. Additionally, provide the business name, owners name, address, phone number, and email address of all participating vendors at least 30 days prior to the event, preferably in an Excel spreadsheet format. Within 2 weeks after the event, provide an updated list of vendors, including any cancellations, additions or changes. All of this information must be emailed to us at [email protected].