; and (2) in paragraph (4), by striking 2019 and inserting 2021 . 104. Availability of amounts for acquisition of additional National Security Cutter (a) In general Of the aggregate amount authorized to be appropriated for fiscal years 2020 and 2021 by section 4902(2) of title 14, United States Code, as amended by section 101 of this Act, $650,000,000 is authorized to be available for the acquisition of a National Security Cutter. (b) Treatment of acquired Cutter Any Cutter acquired using amounts available pursuant to subsection (a) shall be in addition to the National Security Cutters approved under the existing acquisition baseline in the program of record for the National Security Cutter. 105. Procurement authority for polar security cutters (a) In general For fiscal year 2020 and each fiscal year thereafter, the Secretary of the department in which the Coast Guard is operating shall enter into one or more contracts for the procurement of not fewer than three heavy polar security cutters and three medium polar security cutters and the associated equipment for such polar security cutters. (b) Funding Of the amounts made available for fiscal years 2020 and 2021 by this Act, not less than $745,000,000 shall be available for each heavy polar security cutter authorized to be procured in such fiscal years. (c) Prohibition on contracts or use of funds for development of common hull design Notwithstanding any other provision of law, the Secretary of the department in which the Coast Guard is operating may not enter into any contract for, and no funds shall be obligated or expended on, the development of a common hull design for medium polar security cutters and Great Lakes icebreakers. II Coast Guard A Military Personnel Matters 201. Authority for officers to opt out of promotion board consideration (a) Active-Duty list officers Section 2113 of title 14, United States Code, is amended— (1) by striking he each place it appears and inserting the officer