of care and health outcomes with respect to advancing the provision of integrated mental health and substance use disorder care in a manner that does not violate antitrust or other applicable laws. The recommendations of the working group shall include recommendations for measurable, ongoing benchmarks to assess the extent to which payment and measurement of the quality of care and health outcomes are aligned across health care payers. 402. Measuring access and quality outcomes in mental health and substance use disorder care (a) In general Not later than October 1, 2024, the Administrator of the Centers for Medicare & Medicaid Services shall, in consultation with the Administrator of the Health Resource Services Administration, the Director of the Agency for Healthcare Research and Quality, and the Assistant Secretary for Mental Health and Substance Use, develop and implement a plan to improve measurement of the extent to which children and adults have access to integrated mental health and substance use disorder care in primary care and the quality and effectiveness of the care provided, which shall be implemented in quality measurement programs under the Medicare program under title XVIII of the Social Security Act ( 42 U.S.C. 1395 et seq. ), the Medicaid program under title XIX of such Act ( 42 U.S.C. 1396 et seq. ), and group health plans and health insurance coverage (as such terms are defined in section 2791 of the Public Health Service Act ( 42 U.S.C. 300gg–91 )). (b) Measure development The Director of the Agency for Healthcare Research and Quality shall conduct measure development where necessary to ensure that the plan developed under subsection (a) may be fully implemented, including measures of patient experience outcomes, structural measures of practice transformation toward evidence-based integrated care, and measures of access and unmet need provided by local, State, or Federal agencies. 403. Reviewing the evidence for integrated mental health care for children Not later than October 1, 2024, the