; and (2) by adding at the end the following: (hh) Increased FMAP for additional expenditures for medical assistance to pregnant and postpartum women For calendar quarters beginning on or after January 1, 2021, notwithstanding subsection (b), the Federal medical assistance percentage for a State, with respect to the additional amounts expended by such State for medical assistance under the State plan under this title or a waiver of such plan that are attributable to requirements imposed by the amendments made by the Improving Coverage and Care for Mothers Act (as determined by the Secretary), shall be equal to 100 percent. . 6. Effective date (a) In general Subject to subsection (b), the amendments made by this Act shall apply with respect to medical assistance furnished on or after January 1, 2021. (b) Exception for State legislation In the case of a State plan under title XIX of the Social Security Act ( 42 U.S.C. 1396 et seq.) that the Secretary of Health and Human Services determines requires State legislation in order for the respective plan to meet any requirement imposed by amendments made by this section, the respective plan shall not be regarded as failing to comply with the requirements of such title solely on the basis of its failure to meet such an additional requirement before the first day of the first calendar quarter beginning after the close of the first regular session of the State legislature that begins after the date of the enactment of this Act. For purposes of the previous sentence, in the case of a State that has a 2-year legislative session, each year of the session shall be considered to be a separate regular session of the State legislature.