This subpart applies to all non-recreational vessels, U.S. and foreign, that are equipped with ballast tanks that, after operating on the waters beyond the Exclusive Economic Zone during any part of its voyage, enter the Snell Lock at Massena, New York, or navigates north of the George Washington Bridge on the Hudson River, regardless of other port calls in the United States or Canada during that voyage, except as expressly provided in 33 CFR 151.2015(a). All vessels subject to this subpart are also required to comply with the applicable requirements of 33 CFR 151.2050, 151.2060, and 151.2070.