; and (B) in subparagraph (A), in the matter preceding clause (i)— (i) by striking During the period that begins on and inserting Beginning on ; (ii) by striking and ends on September 30, 2019 ; and (iii) by striking The preceding sentence shall not be construed as preventing a State during such period and inserting Beginning on October 1, 2019, the preceding sentence shall only apply with respect to children in families whose income does not exceed 300 percent of the poverty line (as defined in section 2110(c)(5)) applicable to a family of the size involved. The preceding sentences shall not be construed as preventing a State during any such periods . (2) Conforming amendments Section 1902(gg)(2) of the Social Security Act ( 42 U.S.C. 1396a(gg)(2) ) is amended— (A) in the paragraph heading, by striking until October 1, 2019