; and (2) in paragraph (2)(A), by striking 2018 and inserting 2019 . (b) Termination Section 9010 of the Farm Security and Rural Investment Act of 2002 ( 7 U.S.C. 8110 ) is amended by adding at the end the following new subsection: (c) Termination The Secretary may not carry out the feedstock flexibility program under subsection (b) for the 2020 or subsequent crops of eligible commodities. . 4. Two-year extension of marketing allotments for sugar and subsequent administration of tariff-rate quotas (a) Flexible marketing allotments for sugar (1) Sugar estimates Section 359b(a)(1) of the Agricultural Adjustment Act of 1938 ( 7 U.S.C. 1359bb(a)(1) ) is amended by striking 2018 and inserting 2020 . (2) Effective period Section 359l(a) of the Agricultural Adjustment Act of 1938 ( 7 U.S.C. 1359ll(a) ) is amended by striking 2018 and inserting 2020 . (3) Transition to final stocks to use ratio Section 359k(b) of the Agricultural Adjustment Act of 1938 ( 7 U.S.C. 1359kk(b) ) is amended by adding at the end the following new paragraph: (3) Stocks-to-use ratio Notwithstanding paragraphs (1) and (2), the Secretary shall adjust tariff-rate quotas established under subsection (a) in such a manner as to ensure, to the maximum extent practicable, that— (A) the final ratio of sugar stocks to total sugar use at the end of a crop year will be approximately— (i) 14.5 percent for fiscal year 2019; and (ii) 15 percent for fiscal year 2020