; and (iii) the amendments made by paragraph (7) shall take effect on the first day of the first calendar quarter that begins on or after the date of enactment of this Act. (B) Exception for State legislation In the case of a State plan under title XIX of the Social Security Act or a State child health plan under title XXI of such Act 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 subsection, 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 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. (C) State option for earlier effective date A State may elect to have subsection (e)(16) of section 1902 of the Social Security Act ( 42 U.S.C. 1396a ) and subparagraph (J) of section 2107(e)(1) of the Social Security Act ( 42 U.S.C. 1397gg(e)(1) ), as amended by paragraph (2), and subsection (kk) of section 1905 of the Social Security Act ( 42 U.S.C. 1396d ) and paragraph (13) of section 2105(c) of the Social Security Act ( 42 U.S.C. 1397ee(c) ), as added by paragraph (5), take effect with respect to the State on the first day of any fiscal quarter that begins before the date described in subparagraph (A) and apply to amounts payable to the State for expenditures for medical assistance, child health assistance, or pregnancy-related assistance to pregnant or postpartum individuals furnished on or after such day. (c) Regional centers of excellence Part P of title III of the Public Health Service Act ( 42 U.S.C. 280g et seq. ) is amended by adding