; (2) by striking the period at the end of the last row of the table; and (3) by adding at the end of the table the following new row: 400 percent and up $5,000. . (d) Effective date The amendments made by this section shall apply to taxable years beginning after December 31, 2019. 5. Authority to negotiate fair prices for Medicare prescription drugs (a) In general Section 1860D–11 of the Social Security Act ( 42 U.S.C. 1395w–111 ) is amended by striking subsection (i). (b) Effective date The amendment made by this section shall take effect on the date of the enactment of this Act.