Code of Federal Regulations Title 43. Public Lands:  Interior § 43.423.39 Standards for vessels

(1) Be constructed and maintained in compliance with the standards and requirements established by, or promulgated under, Title 46 United States Code, and any applicable State and local laws and regulations;

(2) Have safety equipment, including personal flotation devices, on board in compliance with U.S. Coast Guard boating safety requirements and in compliance with applicable State and local boating safety laws and regulations;  and

(3) If motorized, have and utilize a proper and effective exhaust muffler as defined by applicable State and local laws. Actions or devices which render exhaust mufflers ineffective are prohibited.