9918.04.80 (CO) $1.127/kg + 16% . (b) Conforming amendments Additional U.S. Note 10 to chapter 4 of the Harmonized Tariff Schedule of the United States is amended by striking 1901.90.61 and inserting 1901.90.56 . (c) Effective date The amendments made by this section apply with respect to articles entered, or withdrawn for warehouse for consumption, on or after the date that is 120 days after the date of the enactment of this Act.