[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: 33CFR173.19] [Page 802] 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. 173.19 Other numbers prohibited. No person may use a vessel to which this part applies that has any number that is not issued by an issuing authority for that vessel on its forward half.