; (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 . (B) Application to alternative cost sharing Section 1916A(b)(3)(B) of the Social Security Act ( 42 U.S.C. 1396o–1(b)(3)(B) ) is amended by adding at the end the following new clause: (xv) Beginning January 1, 2024, preventive opioid overdose reversal drugs described in section 1861(nnn). . (c) Coverage under TRICARE Section 1074g of title 10, United States Code, is amended as follows: (1) In subsection (a)(6), by adding at the end the following new subparagraph: (D) Notwithstanding subparagraphs (A) through (C), beginning on January 1, 2024, an eligible covered beneficiary shall not be required to pay a cost-sharing amount for a preventive opioid overdose reversal drug. . (2) In subsection (i), by adding at the end the following new paragraph: (5) The term preventive opioid overdose reversal drug has the meaning given such term in section 1861 of the Social Security Act ( 42 U.S.C. 1395x ). . 4. Regulatory guidance Not later than 1 year after the date of the enactment of this Act, the Commissioner of Food and Drugs shall issue guidance for State boards of pharmacy, nursing, and medicine with respect to— (1) enhancing safe and effective hospital-based dispensing and distribution of opioid overdose reversal drugs; and (2) eliminating barriers to such dispensing and distribution.