[Code of Federal Regulations] [Title 49, Volume 8] [Revised as of October 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR1540.109] [Page 303] TITLE 49--TRANSPORTATION CHAPTER XII--TRANSPORTATION SECURITY ADMINISTRATION, DEPARTMENT OF HOMELAND SECURITY PART 1540_CIVIL AVIATION SECURITY: GENERAL RULES--Table of Contents Subpart B_Responsibilities of Passengers and Other Individuals and Persons Sec. 1540.109 Prohibition against interference with screening personnel. No person may interfere with, assault, threaten, or intimidate screening personnel in the performance of their screening duties under this subchapter.