[Code of Federal Regulations] [Title 33, Volume 1] [Revised as of July 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 33CFR67.15-1] [Page 169] TITLE 33--NAVIGATION AND NAVIGABLE WATERS CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY PART 67_AIDS TO NAVIGATION ON ARTIFICIAL ISLANDS AND FIXED STRUCTURES --Table of Contents Subpart 67.15_Miscellaneous Marking Requirements Sec. 67.15-1 Lights and signals on attendant vessels. The requirements prescribed by this part apply to structures. The barges, vessels, and other miscellaneous floating plants in attendance must display lights and signals under the International Navigational Rules Act of 1977 (33 U.S.C. 1601-1608) that adopted the International Regulations for Preventing Collisions at Sea, 1972 (72 COLREGS), or the Inland Navigational Rules Act of 1980 (33 U.S.C. 2001-2038). When vessels are fixed to or submerged onto the seabed, however, they become structures as described in Sec. 67.01-5. [USCG-2001-10714, 69 FR 24983, May 5, 2004]