; and (B) distributing that amount in accordance with clauses (i) (with respect to additional funding for the comprehensive services described in paragraph (1)) and (ii) of section 640(a)(4)(C). (b) Construction A reference in this subchapter (other than this section) to funds appropriated or provided under this subchapter shall not be considered to include funds appropriated or provided under this section. (c) Authorization of appropriations There is authorized to be appropriated to carry out this section $60,000,000 for fiscal year 2024 and each subsequent fiscal year. . (b) Conforming amendment Section 639 of the Head Start Act ( 42 U.S.C. 9834 ) is amended by striking section 657B and inserting sections 645B and 657B . 7. Coordinating research of the National Institutes of Health Part A of title IV of the Public Health Service Act ( 42 U.S.C. 281 et seq. ) is amended by adding at the end the following: 404P. Research with respect to co-occurring pregnancy and substance use disorder The Director of the National Institutes of Health shall establish a consortium on pregnancy, postpartum recovery, and substance use disorder research to establish research priorities and steward research activities across the national research institutes and national centers to understand and mitigate the harms of substance use disorder for pregnant and postpartum patients and their children. . 8. Ensuring the use of best available medical practices through a GAO report on clinical guidelines for treating pregnant and parenting patients with substance use disorder and their children The Comptroller General of the United States shall— (1) conduct a study assessing— (A) the extent to which clinical guidelines for treating pregnant and parenting patients with substance use disorder and their children are implemented; (B) any systemic and other barriers to ensuring that patients and children described in subparagraph (A) get access to up-to-date care that addresses the complexity of co-occurring substance use disorder and pregnancy