; and (E) in the flush matter following subparagraph (L), as so redesignated, by striking subparagraphs (A) through (K) and inserting subparagraphs (A) through (L) . (b) Prescription drug plans Section 1860D–4 of the Social Security Act ( 42 U.S.C. 1395w–104 ) is amended by adding at the end the following new subsection: (c) Parity in mental health and substance use disorder benefits The provisions of section 1852(o) (relating to parity in mental health and substance use disorder benefits) shall apply to PDP sponsors offering prescription drug plans in the same manner in which such provisions apply with respect to Medicare Advantage organizations offering MA–PD plans. . (c) Regulations Not later than 18 months after the date of enactment of this Act, the Secretary of Health and Human Services shall issue regulations to carry out the amendments made by this section. (d) Effective date The amendments made by this section shall apply with respect to plan years beginning after the date that is 2 years after the date of enactment of this Act, regardless of whether regulations have been issued to carry out such amendments by such effective date. (e) Implementation funding For purposes of carrying out the provisions of, including the amendments made by, this section, there are appropriated, out of amounts in the Treasury not otherwise appropriated, to the Centers for Medicare & Medicaid Services Program Management Account, $10,000,000 for fiscal year 2024, which shall remain available until expended. 202. Behavioral health measures and incentivizing behavioral health care quality Section 1853(o) of the Social Security Act ( 42 U.S.C. 1395w–23(o) ) is amended by adding at the end the following new paragraph: (8) Behavioral health measures (A) In general For 2025 and biennially thereafter, the Secretary shall consider adding to the 5-star rating system behavioral health measures that measure the quality and outcomes of— (i) mental health or substance use disorder services