public without further redaction. (3) Termination No report shall be required under this subsection after October 1, 2021. . 1013. Limitation on duration of homeporting of certain vessels in foreign locations (a) Limitation (1) In general Chapter 633 of title 10, United States Code, is amended by inserting after section 7310 the following new section: 7310a. Homeporting of certain vessels in overseas locations: limitation on duration (a) In general A vessel specified in subsection (b) that is listed in the Naval Vessel Register may not be homeported in a location other than in the United States or Guam for a period of more than 10 consecutive years. (b) Specified vessels The vessels specified in this subsection are the following: (1) Aircraft carrier. (2) Amphibious ship. (3) Cruiser. (4) Destroyer. (5) Frigate. (c) Waiver (1) In general The Chief of Naval Operations may waive the applicability of subsection (a) to a ship. (2) Effectiveness contingent on report A waiver under paragraph (1) with respect to a ship shall go into effect on the date on which the Chief of Naval Operations submits to the congressional defense committees a report on the waiver setting forth the following: (A) The ship covered by the waiver. (B) The duration of the waiver for such ship (C) The justification of the Chief of Naval Operations for the waiver. . (2) Clerical amendment The table of sections at the beginning of chapter 633 of such title is amended by inserting after the item relating to section 7310 the following new item: 7310a. Homeporting of certain vessels in overseas locations: limitation on duration. . (b) Effective date The amendments made by this section shall take effect on October 1, 2020, and shall apply with respect to the homeporting of vessels after that date, regardless of whether the continuous period of homeporting concerned commenced before that date. 1014. Specific authorization requirement for nuclear refueling of aircraft carriers (a) In general Chapter 633 of title 10, United States Code, is amended by