Maximum amount of deduction

For purposes of paragraph (1)(A)—

(A) In general The deductible amount is $5,000.

(B) Catch-up contributions for individuals 50 or older (i) In general In the case of an individual who has attained the age of 50 before the close of the taxable year, the deductible amount for such taxable year shall be increased by the applicable amount. (ii) Applicable amount For purposes of clause (i), the applicable amount is $1,000.

(C) Cost-of-living adjustment (i) In general In the case of any taxable year beginning in a calendar year after 2008, the $5,000 amount under subparagraph (A) 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 2007” for “calendar year 2016” in subparagraph (A)(ii) thereof. (ii) Rounding rules If any amount after adjustment under clause (i) is not a multiple of $500, such amount shall be rounded to the next lower multiple of $500. (iii) Indexing of catch-up limitation In the case of any taxable year beginning in a calendar year after 2023, the $1,000 amount under subparagraph (B)(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 2022” for “calendar year 2016” in subparagraph (A)(ii) thereof.