PUBLIC LAW 105-383—NOV. 13, 1998 112 STAT. 3429 (2) TERMLNATION.— The endorsement issued under paragraph (1) shall be in effect for the vessel FOILCAT for the period— (A) beginning on the date on which the vessel is placed in service to initiate a high-speed marine ferry demonstration project sponsored by the State of Hawaii; and (B) ending on the last day of the 36th month beginning after the date on which it became effective under subparagraph (A). SEC. 404. CONVEYANCE OF NAHANT PARCEL, ESSEX COUNTY, MASSACHUSETTS. (a) IN GENERAL. —The Commandant of the Coast Guard, may convey, by an appropriate means of conveyance, all right, title, and interest of the United States in and to the United States Coast Guard Recreation Facility Nahant, Massachusetts, to the Town of Nahant (the "Town") unless the Commandant, or his delegate, in his sole discretion determines that the conveyance would not provide a public benefit. (b) IDENTIFICATION OF PROPERTY. —The Commandant may identify, describe, and determine the property to be conveyed under this section. (c) TERMS OF CONVEYANCE. —The conveyance of property under this section shall be made— (1) without payment of consideration; and (2) subject to such terms and conditions as the Commandant may consider appropriate to protect the interests of the United States, including the reservation of easements or other rights on behalf of the United States. (d) REVERSIONARY INTEREST.— The conveyance of real property pursuant to this section shall be subject to the condition that all right, title, and interest in such property shall immediately revert to the United States if— (1) the property, or any part thereof, ceases to be owned and used by the Town; (2) the Town fails to maintain the property conveyed in a manner consistent with the terms and conditions in subsection (c); or (3) at least 30 days before such reversion, the Commandant provides written notice to the Town that the property conveyed is needed for national security purposes. SEC. 405. UNREASONABLE OBSTRUCTION TO NAVIGATION. Notwithstanding any other provision of law, the liftbridge over the back channel of the Schuylkill River in Philadelphia, Pennsylvania, is deemed to unreasonably obstruct navigation. SEC. 406. FINANCIAL RESPONSIBILITY FOR OIL SPILL RESPONSE VESSELS. Section 1004 of the Oil Pollution Act of 1990 (33 U.S.C. 2704) is amended— (1) in subsection (a)(1), by striking "(except" and all that follows through "Act)" and inserting a comma; and (2) by adding at the end of subsection (c) the following: "(4) CERTAIN TANK VESSELS.— Subsection (a)(1) shall not apply to— "(A) a tank vessel on which the only oil carried as cargo is an animal fat or vegetable oil, as those terms
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