meeting under paragraph (1). Such guidance may include the following, as determined appropriate by the Secretary: (A) Best practices for Medicare Advantage organizations on how to work with providers to maintain the accuracy of provider directories and reduce provider and Medicare Advantage organization burden with respect to maintaining the accuracy of provider directories . (B) Information on data sets and data sources with information that could be used by Medicare Advantage organizations to maintain accurate provider directories. (C) Approaches for utilizing data sources maintained by Medicare Advantage organizations and publicly available data sets to maintain accurate provider directories. (D) Information to be included in the provider directory that may be useful for Medicare beneficiaries to assess plan networks when selecting a plan and accessing providers participating in plan networks during the plan year. (3) Guidance to part B providers Not later than 12 months after the date of enactment of this Act, the Secretary shall issue guidance to providers of services and suppliers who furnish items or services for which benefits are available under part B of title XVIII of the Social Security Act ( 42 U.S.C. 1395j et seq. ) on when to update the National Plan and Provider Enumeration System regarding any information changes. 110. Guidance to States on strategies under Medicaid and CHIP to increase mental health and substance use disorder care provider capacity Not later than 12 months after the date of enactment of this Act, the Secretary of Health and Human Services shall issue guidance to States on strategies under Medicaid and the Children's Health Insurance Program (CHIP) to increase access to mental health and substance use disorder care providers that participate in Medicaid or CHIP, which may include education, training, recruitment, and retention of such providers, with a focus on improving the capacity of the mental health and substance use disorder care workforce in rural and underserved areas by