; (2) the term Officer in Charge, Marine Inspection has the meaning given the term in section 3305(d)(4) of title 46, United States Code; and (3) the term Secretary means the Secretary of the Department in which the Coast Guard is operating. (b) Interim exemption A towing vessel described in subsection (c) is exempt from any additional requirements of subtitle II of title 46, United States Code, and chapter I of title 33 and chapter I of title 46, Code of Federal Regulations (as in effect on the date of enactment of this Act), that would result solely from such vessel operating outside the Boundary Line, if— (1) the vessel is operating outside the Boundary Line solely to perform regular harbor assist operations; (2) the voyage of the vessel occurring outside of the Boundary Line— (A) is less than 12 hours in total duration; (B) originates and ends in the inspection zone of a single Officer in Charge, Marine Inspection; and (C) occurs no further than 10 nautical miles from the Boundary Line; (3) the vessel is approved for operations outside the Boundary Line by the Officer in Charge, Marine Inspection and the Coast Guard Marine Safety Center; and (4) the vessel has sufficient manning and lifesaving equipment for all persons on board, in accordance with part 15 and section 141.225 of title 46, Code of Federal Regulations (or any successor regulation). (c) Applicability This section applies to a towing vessel— (1) that is subject to inspection under chapter 33 of title 46, United States Code, and subchapter M of chapter I of title 46, Code of Federal Regulations (or any successor regulation); (2) with only Lakes, Bays, and Sounds or Rivers routes recorded on such vessel’s certificate of inspection under section 136.230 of title 46, Code of Federal Regulations (or any successor regulation)