(a) Entities, entities' contracted providers, and each of their respective staff providing service to an individual with COPSD shall ensure that services are provided in compliance with applicable licensure, scope of practice and other law and:(1) address both psychiatric and substance use disorders;(2) are provided within established practice guidelines for this population; and(3) facilitate individuals or LARs in accessing available services they need and choose, including self-help groups.(b) The services provided to an individual with COPSD shall comply with applicable licensure, scope of practice and other law and be provided:(1) by staff who are competent in the areas identified in §411.658 of this title (relating to Specialty Competencies of Staff Providing Services to Individuals with COPSD);(2) in an individual or small group setting;(3) in an age, gender, and culturally appropriate manner; and(4) in accordance with the individual's treatment plan.