(a) In general.—Section 23(a) is amended by adding at the end the following new paragraph:
“(4) PORTION OF CREDIT REFUNDABLE.—So much of the credit allowed under paragraph (1) as does not exceed $5,000 shall be treated as a credit allowed under subpart C and not as a credit allowed under this subpart.”.
(b) Adjustments for inflation.—Section 23(h) is amended to read as follows:
“(h) Adjustments for inflation.—
“(1) IN GENERAL.—In the case of a taxable year beginning after December 31, 2002, each of the dollar amounts in paragraphs (3) and (4) of subsection (a) and paragraphs (1) and (2)(A)(i) of subsection (b) shall 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 2001’ for ‘calendar year 2016’ in subparagraph (A)(ii) thereof.
“(2) ROUNDING.—If any amount as increased under paragraph (1) is not a multiple of $10, such amount shall be rounded to the nearest multiple of $10.
“(3) SPECIAL RULE FOR REFUNDABLE PORTION.—In the case of the dollar amount in subsection (a)(4), paragraph (1) shall be applied—
“(A) by substituting ‘2025’ for ‘2002’ in the matter preceding subparagraph (A), and
“(B) by substituting ‘calendar year 2024’ for ‘calendar year 2001’ in subparagraph (B) thereof.”.
(c) Exclusion of refundable portion of credit from carryforward.—Section 23(c)(1) is amended by striking “credit allowable under subsection (a)” and inserting “portion of the credit allowable under subsection (a) which is allowed under this subpart”.
(d) Effective date.—The amendments made by this section shall apply to taxable years beginning after December 31, 2024.