of Health and Human Services (referred to in this section as the Secretary ) shall issue guidance to States regarding the following: (1) Opportunities to increase access to the 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 this workforce in rural and underserved areas by increasing the number, type, and capacity of providers. The guidance relating to such opportunities shall include the following: (A) Best practices from States that have used authorities under titles XI, XIX, or XXI of the Social Security Act ( 42 U.S.C. 1301 et seq. , 1396 et seq., 1397aa et seq.), including initiatives States have implemented under waivers under section 1115 of such Act ( 42 U.S.C. 1315 ), for such purposes. (B) Opportunities States can leverage to finance, support, and expand the availability of providers of community-based mental health and substance use disorder services who participate in Medicaid and CHIP across the continuum of care, including through the participation of paraprofessionals with behavioral health expertise, such as clinicians with baccalaureate degrees and peer support specialists and including best practices especially pertinent to pediatric care. The guidance shall include examples of innovative policies states have adopted to expand access to behavioral health services