[Code of Federal Regulations] [Title 33, Volume 2] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 33CFR173.35] [Page 804] TITLE 33--NAVIGATION AND NAVIGABLE WATERS CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PART 173--VESSEL NUMBERING AND CASUALTY AND ACCIDENT REPORTING--Table of Contents Subpart B--Numbering Sec. 173.35 Coast Guard validation sticker. No person may use a vessel except a vessel exempted in Sec. 173.13 that has a number issued by the Coast Guard unless it has the validation sticker issued with the certificate of number displayed within 6 inches of the number.