(a) An applicant for new or amended certificate or commuter air carrier authority shall not:
(1) Advertise, list schedules, or accept reservations for the air transportation covered by its application until the application has been approved by the Department; or
(2) Accept payment or issue tickets for the air transportation covered by its application until the authority or amended authority has become effective or the Department issues a notice authorizing sales.
(b) An applicant for new or amended certificate or commuter air carrier authority may not advertise or publish schedule listings for the air transportation covered by its application after the application has been approved by the Department (but before all authority issued by DOT, including the FAA, becomes effective) unless such advertising or schedule listings prominently state: “This service is subject to receipt of government operating authority.”