; and (B) Any decision on extending the treaty will, and should be, based on a realistic assessment of whether the New START treaty remains in our national security interests in light of overall Russian arms control behavior . (b) Limitation Notwithstanding any other provision of law, no funds authorized to be appropriated or otherwise made available for fiscal year 2019 and subsequent fiscal years may be obligated or expended to extend the implementation of the New START Treaty beyond the current expiration date in 2021 unless the President certifies to the appropriate congressional committees that— (1) extending the New START Treaty is in the national security interest of the United States; and (2) the Russian Federation has— (A) agreed to include all covered Russian systems under the limits set by the New START Treaty; and (B) per paragraph (a)(12) of the Resolution of Ratification for the New START Treaty adopted in the Senate on December 22, 2010 (Treaty Document 111–5), entered into an agreement with the United States to address the disparity between the nonstrategic (tactical) nuclear weapons stockpiles of the Russian Federation and of the United States by securing and reducing in a verifiable manner Russian tactical nuclear weapons. (c) Definitions In this section: (1) Appropriate congressional committees The term appropriate congressional committees means— (A) the Committee on Armed Services of the Senate and the Committee on Armed Services of the House of Representatives