70-3-4. Complaining party must appear
When an administrative hearing is set, the Business Tax Division of the Oklahoma Tax Commission and the complaining party shall be notified of the show cause hearing and it shall be mandatory for the complaining party to appear and submit evidence and/or testimony at the hearing to substantiate the alleged violation and/or failure by the alleged violating party to comply with the provisions of the Unfair Cigarette and Tobacco Products Sales Act (68 O.S. §§326 et seq.).