; (ii) by redesignating paragraph (31) as paragraph (32); and (iii) by inserting after paragraph (30) the following new paragraph: (31) beginning January 1, 2024, preventive opioid overdose reversal drugs described in section 1861(nnn); and . (3) Application of rebate requirements Section 1927 of the Social Security Act ( 42 U.S.C. 1396r–8 ) is amended— (A) in subsection (d)(7), by adding at the end the following new subparagraph: (F) Preventive opioid overdose reversal drugs described in section 1861(nnn) that are furnished as medical assistance in accordance with section 1905(a)(31) and section 1902(a)(10)(A). ; and (B) in subsection (k)(4)— (i) by striking If a State plan and inserting: (A) In general If a State plan ; and (ii) by adding at the end the following new subparagraph: (B) Preventive opioid overdose reversal drugs Beginning January 1, 2024, in applying paragraph (2)(A) to a preventive opioid overdose reversal drug described in section 1861(nnn), such drug shall be deemed a prescribed drug for purposes of section 1905(a)(12). . (4) Prohibition of cost sharing (A) In general Section 1916 of the Social Security Act ( 42 U.S.C. 1396o ) is amended— (i) in subsection (a)(2)— (I) in subparagraph (I), by striking or at the end; (II) in subparagraph (J), by striking ; and at the end and inserting , or ; and (III) by adding at the end the following new subparagraph: (K) beginning January 1, 2024, preventive opioid overdose reversal drugs described in section 1861(nnn); and ; and (ii) in subsection (b)(2)— (I) in subparagraph (I), by striking or at the end; (II) in subparagraph (J), by striking ; and at the end and inserting , or ; and (III) by adding at the end the following new subparagraph: (K) beginning January 1, 2024, preventive opioid overdose reversal drugs described in section 1861(nnn)