The Inland Navigational Rules Act of 1980 is in effect for vessels transiting this 
area. The seaward boundaries of this area are the COLREGS demarcation lines. 
In the area seaward of the COLREGS demarcation lines, vessels are governed by 
COLREGS: International Regulations for Prevention Collisions at Sea, 1972.  
The COLREGS demarcation lines are defined in 33 CFR 80.1130


Navigation regulations are published in Chapter 2, U.S. Coast Pilot 7.  Additions or revisions to Chapter 2 are published in the Notice to Mariners.  Information concerning the regulations may be obtained at the Office of the Commander, 11th Coast Guard District in Alameda, California or at the Office of the District Engineer, Corps of Engineers in Los Angeles, California.Refer to Code of Federal Regulations section numbers.