[Code of Federal Regulations] [Title 19, Volume 1] [Revised as of April 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 19CFR122.51] [Page 545] TITLE 19--CUSTOMS DUTIES CHAPTER I--UNITED STATES CUSTOMS SERVICE, DEPARTMENT OF THE TREASURY PART 122--AIR COMMERCE REGULATIONS--Table of Contents Subpart F--International Traffic Permit Sec. 122.51 Aircraft of domestic origin registered in the U.S. After Customs inspection of the aircraft, passengers, baggage and merchandise at the entry airport, commercial aircraft of domestic origin registered in the U.S. may be allowed to proceed to other airports in the U.S. without permit.