SECTION 1. SHORT TITLE.

    This Act may be cited as the ``Child and Dependent Care Tax Credit 
Enhancement Act of 2017''.

SEC. 2. ENHANCEMENT OF CHILD AND DEPENDENT CARE TAX CREDIT.

    (a) In General.--Paragraph (2) of section 21(a) of the Internal 
Revenue Code of 1986 is amended to read as follows:
            ``(2) Applicable percentage.--For purposes of paragraph 
        (1), the term `applicable percentage' means 50 percent reduced 
        (but not below 20 percent) by 1 percentage point for each 
        $2,000 (or fraction thereof) by which the taxpayer's adjusted 
        gross income for the taxable year exceeds $120,000.''.
    (b) Increase in Dollar Limit on Amount Creditable.--Subsection (c) 
of section 21 of such Code is amended--
            (1) in paragraph (1), by striking ``$3,000'' and inserting 
        ``$6,000'', and
            (2) in paragraph (2), by striking ``$6,000'' and inserting 
        ``$12,000''.
    (c) Adjustment for Inflation.--Section 21 of such Code is amended--
            (1) by redesignating subsection (f) as subsection (g), and
            (2) by inserting after subsection (e) the following new 
        subsection:
    ``(f) Inflation Adjustment.--
            ``(1) In general.--In the case of a calendar year beginning 
        after 2018, the $120,000 amount in paragraph (2) of subsection 
        (a) and the dollar amounts in subsection (c) shall each be 
        increased by an amount equal to--
                    ``(A) such dollar amount, multiplied by
                    ``(B) 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 2017' for `calendar year 1992' in 
                subparagraph (B) thereof.
            ``(2) Rounding.--If any dollar amount, after being 
        increased under paragraph (1), is not a multiple of $100, such 
        dollar amount shall be rounded to the next lowest multiple of 
        $100.''.
    (d) Credit To Be Refundable.--
            (1) In general.--The Internal Revenue Code of 1986 is 
        amended--
                    (A) by redesignating section 21 as section 36C, and
                    (B) by moving section 36C, as so redesignated, from 
                subpart A of part IV of subchapter A of chapter 1 to 
                the location immediately before section 37 in subpart C 
                of part IV of subchapter A of chapter 1.
            (2) Technical amendments.--
                    (A) Paragraph (1) of section 23(f) of the Internal 
                Revenue Code of 1986 is amended by striking ``21(e)'' 
                and inserting ``36C(e)''.
                    (B) Paragraph (6) of section 35(g) of such Code is 
                amended by striking ``21(e)'' and inserting ``36C(e)''.
                    (C) Paragraph (1) of section 36C(a) of such Code 
                (as redesignated by paragraph (1)) is amended by 
                striking ``this chapter'' and inserting ``this 
                subtitle''.
                    (D) Subparagraph (C) of section 129(a)(2) of such 
                Code is amended by striking ``section 21(e)'' and 
                inserting ``section 36C(e)''.
                    (E) Paragraph (2) of section 129(b) of such Code is 
                amended by striking ``section 21(d)(2)'' and inserting 
                ``section 36C(d)(2)''.
                    (F) Paragraph (1) of section 129(e) of such Code is 
                amended by striking ``section 21(b)(2)'' and inserting 
                ``section 36C(b)(2)''.
                    (G) Subsection (e) of section 213 of such Code is 
                amended by striking ``section 21'' and inserting 
                ``section 36C''.
                    (H) Subparagraph (H) of section 6213(g)(2) of such 
                Code is amended by striking ``section 21'' and 
                inserting ``section 36C''.
                    (I) Subparagraph (L) of section 6213(g)(2) of such 
                Code is amended by striking ``section 21, 24, or 32,'' 
                and inserting ``section 24, 32, or 36C,''.
                    (J) Paragraph (2) of section 1324(b) of title 31, 
                United States Code, is amended by inserting ``36C,'' 
                after ``36B,''.
                    (K) The table of sections for subpart C of part IV 
                of subchapter A of chapter 1 of the Internal Revenue 
                Code of 1986 is amended by inserting after the item 
                relating to section 36B the following:

``Sec. 36C. Expenses for household and dependent care services 
                            necessary for gainful employment.''.
                    (L) The table of sections for subpart A of such 
                part IV is amended by striking the item relating to 
                section 21.
    (e) Effective Date.--The amendments made by this section shall 
apply to taxable years beginning after December 31, 2017.
Child and Dependent Care Tax Credit Enhancement Act of 2017 This bill amends the Internal Revenue Code, with respect to the tax credit for employment-related expenses incurred for the care of a taxpayer's dependent, to: (1) increase to $120,000, the adjusted gross income threshold level above which such credit is incrementally reduced; (2) increase the dollar limit on the allowable amount of such credit; (3) allow an inflation adjustment to the adjusted gross income threshold and the maximum credit amounts, beginning after 2018; and (4) make such credit refundable. 
Child and Dependent Care Tax Credit Enhancement Act of 2017