; (ii) 1 such assessment at the age of 24 months; and (iii) in the case of such a child with no record of any such assessment having been performed and who is between the ages of 24 months and 72 months, 1 such assessment. . (2) Effective date (A) In general Subject to paragraph (2), the amendments made by this section shall take effect with respect to child health assistance provided on or after the date that is 1 year after the date of the enactment of this Act. (B) Exception for State legislation In the case of a State child health plan under title XXI of the Social Security Act (or a waiver of such plan), which the Secretary of Health and Human Services determines requires State legislation in order for the respective plan (or waiver) to meet any requirement imposed by the amendments made by this section, the respective plan (or waiver) 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 section. 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. (b) Medicaid Section 1905(r) of the Social Security Act ( 42 U.S.C. 1396d(r) ) is amended— (1) in paragraph (1)(B)(iv), by inserting and at the times and in the amounts specified in paragraph (6) after factors ; and (2) by inserting after paragraph (5) the following new paragraph: (6) The times and amounts specified in this paragraph are, with respect to coverage of lead blood level assessments and an individual, the following: (A) 1 such assessment at the age of 12 months; (B) 1 such assessment at the age of 24 months