[Code of Federal Regulations] [Title 19, Volume 1] [Revised as of April 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 19CFR122.65] [Page 560] TITLE 19--CUSTOMS DUTIES CHAPTER I--UNITED STATES CUSTOMS SERVICE, DEPARTMENT OF THE TREASURY PART 122--AIR COMMERCE REGULATIONS--Table of Contents Subpart G--Clearance of Aircraft and Permission To Depart Sec. 122.65 Failure to depart. Once an aircraft has been cleared or given permission to depart it must depart within 72 hours. The aircraft commander or agent shall report promptly to the port director if departure is delayed beyond or cancelled within 72 hours after the aircraft received clearance or permission to depart. [[Page 561]]