Code of Federal Regulations Title 33. Navigation and Navigable Waters § 33.151.2015 Exemptions

(1) Any Department of Defense or Coast Guard vessel subject to the requirements of section 1103 of the Nonindigenous Aquatic Nuisance Prevention and Control Act, as amended by the National Invasive Species Act;  or any vessel of the Armed Forces, as defined in the Federal Water Pollution Control Act (33 U.S.C. 1322(a)), that is subject to the “Uniform National Discharge Standards for Vessels of the Armed Forces” (33 U.S.C. 1322(n)).

(2) Any warship, naval auxiliary, or other vessel owned or operated by a foreign state and used, for the time being, only on government non-commercial service. However, such vessels should act in a manner consistent, so far as is reasonable and practicable, with this subpart.

(1) Seagoing vessels that operate in more than a single COTP Zone, do not operate outside of the EEZ, and are less than or equal to 1,600 gross register tons or less than or equal to 3,000 gross tons (International Convention on Tonnage Measurement of Ships, 1969).

(2) Non-seagoing vessels.

(3) Vessels that operate in more than a single COTP Zone and take on and discharge ballast water exclusively in a single COTP Zone.