[Code of Federal Regulations] [Title 19, Volume 2] [Revised as of April 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 19CFR162.4] [Page 246] TITLE 19--CUSTOMS DUTIES CHAPTER I--BUREAU OF CUSTOMS AND BORDER PROTECTION, DEPARTMENT OF HOMELAND SECURITY; DEPARTMENT OF THE TREASURY (CONTINUED) PART 162_INSPECTION, SEARCH, AND SEIZURE--Table of Contents Subpart A_Inspection, Examination, and Search Sec. 162.4 Search for letters. A Customs officer may search vessels for letters which may be on board or may have been conveyed contrary to law on board any vessel or on any post route, and shall seize such letters and deliver them to the nearest post office or detain them subject to the orders of the postal authorities. [T.D. 72-211, 37 FR 16488, Aug. 15, 1972]