; and (B) in subsection (d)— (i) by striking (d) Employee and wages.— The term and inserting the following: (d) Rules and definitions (1) Employee and wages The term ; and (ii) by adding at the end the following: (2) Applicable percentage of net earnings from self-employment in determining taxable self-employment income For purposes of subsection (b)(1), the applicable percentage for a taxable year beginning in any calendar year referred to in such paragraph shall be equal to— (A) for 2019, 80 percent, (B) for 2020 through 2022, the applicable percentage under this paragraph for the previous year, decreased by 20 percentage points, and (C) for 2023 and each year thereafter, 0 percent. . (2) Amendments to the Social Security Act Section 211 of the Social Security Act ( 42 U.S.C. 411 ) is amended— (A) in subsection (b)— (i) in paragraph (1)(I)— (I) by striking or after the semicolon; and (II) by inserting and before 2019 after 1974 ; (ii) by redesignating paragraph (2) as paragraph (3); and (iii) by inserting after paragraph (1) the following: (2) For any taxable year beginning in any calendar year after 2018, an amount equal to the applicable percentage (as determined under subsection (l)) of that part of net earnings from self-employment which is in excess of the difference (not to be less than zero) between— (A) an amount equal to the contribution and benefit base (as determined under section 230) that is effective for such calendar year, and (B) the amount of the wages paid to such individual during such taxable year, or