is amended by striking 2018 and inserting 2023 . (3) Effective period Section 156(i) of the Federal Agriculture Improvement and Reform Act of 1996 ( 7 U.S.C. 7272(i) ) is amended by striking 2018 and inserting 2023 . (b) 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 2023 . (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 2023 . D Dairy Risk Management Program and Other Dairy Programs 1401. Dairy risk management program for dairy producers (a) Review of data used in calculation of average feed cost Not later than 60 days after the date of the enactment of this Act, the Secretary of Agriculture shall submit to the Committee on Agriculture of the House of Representatives and the Committee on Agriculture, Nutrition, and Forestry of the Senate a report evaluating the extent to which the average cost of feed used by a dairy operation to produce a hundredweight of milk calculated by the Secretary as required by section 1402(a) of the Agricultural Act of 2014 ( 7 U.S.C. 9052(a) ) is representative of actual dairy feed costs. (b) Corn silage report Not later than 1 year after the date of the enactment of this Act, the Secretary of Agriculture shall submit to the Committee on Agriculture of the House of Representatives and the Committee on Agriculture, Nutrition, and Forestry of the Senate a report detailing the costs incurred by dairy operations in the use of corn silage as feed, and the difference between the feed cost of corn silage and the feed cost of corn. (c) Collection of alfalfa hay data Not later than 120 days after the date of the enactment of this Act, the Secretary of Agriculture, acting through the National Agricultural Statistics Service, shall revise monthly price survey reports to include prices for high-quality alfalfa hay in the top five milk producing States, as