; and (B) by adding at the end the following new clauses: (ii) Phaseout The amount of expenses taken into account under clause (i) shall be reduced (but not below zero) by 10 percentage points for each $2,000 ($4,000 in the case of a joint return), or fraction thereof, by which the taxpayer’s adjusted gross income (determined without regard to this subparagraph) for the taxable year exceeds $100,000 (200 percent of such amount in the case of a joint return). (iii) Cost-of-living adjustment In the case of any taxable year beginning in a calendar year after 2020, the $100,000 amount under clause (ii) shall be increased by an amount equal to— (I) such dollar amount, multiplied by (II) the cost-of-living adjustment determined under section 1(f)(3) for the calendar year in which the taxable year begins, determined by substituting calendar year 2019 for calendar year 2016 in subparagraph (A)(ii) thereof. If any amount after adjustment under the preceding sentence is not a multiple of $1,000, such amount shall be rounded to the nearest multiple of $1,000. . (2) Clarification regarding commission paid to performing artist’s manager or agent Section 62(a)(2)(B)(i) of such Code, as amended by subsection (a), is amended by inserting before the period at the end the following: , including any commission paid to the performing artist’s manager or agent . (3) Conforming amendments (A) Section 62(a)(2)(B)(i) of such Code, as amended by this subsection, is further amended by striking by him and inserting by the performing artist . (B) Section 62(b)(1) of such Code is amended by inserting and at the end of subparagraph (A), by striking , and at the end of subparagraph (B) and inserting a period, and by striking subparagraph (C). (4) Effective date The amendments made by this section shall apply to taxable years ending after the date of the enactment of this Act. (d) Charitable contributions of certain items created by the taxpayer (1) In general Subsection (e) of section 170 of the Internal Revenue Code of 1986 is amended by