; prohibited acts (1) In general This section does not preempt or supercede any provision of State or local law that authorizes a State or local municipality to provide benefits or payments to any individual for parental leave taken by such individual. (2) Greater benefits allowed Nothing in this Act shall be construed to diminish the obligation of an employer to comply with any contract, collective bargaining agreement, or any employment benefit program or plan that provides greater paid parental leave rights to employees than the credit allowed under this section. (3) Prohibited acts It shall be unlawful for any person to discharge or in any other manner discriminate against an individual because the individual has claimed, indicated an intent to claim, or received the credit allowed under this section. (e) Inflation adjustment (1) In general In the case of any taxable year beginning after 2020, the dollar amount in subsection (a)(2)(B)(ii) 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 such calendar year by substituting calendar year 2019 for calendar year 2016 in subparagraph (A)(ii) thereof. (2) Rounding If any increase determined under paragraph (1) is not a multiple of $50, such increase shall be rounded to the nearest multiple of $50. (f) Recapture of credit (1) In general If a credit under subsection (a) is allowed to a taxpayer, the tax imposed by this chapter shall be increased by 20 percent of the applicable amount for each taxable year in the recapture period. (2) Applicable amount (A) In general For purposes of this subsection, the applicable amount shall be equal to— (i) the amount of the credit allowed under subsection (a), minus (ii) the amount of payments made by the taxpayer during the prepayment period. (B) Prepayment period (i) In general For purposes of this paragraph, the term prepayment period means the period of 3 taxable years subsequent to the taxable year in which the credit under