National Aquatic Invasive Species Act of 2003

National Aquatic Invasive Species Act of 2003 - Amends the Nonindigenous Aquatic Nuisance Prevention and Control Act of 1990 to establish aquatic invasive species prevention requirements for all vessels operating in U.S. waters. Requires the Secretary of the department in which the Coast Guard is operating to promulgate regulations for ballast water management standards and certification...