“…Opinion papers on Part 2 covered a broad range of subjects including child protection, 21 vulnerable populations, 24,45 correctional settings, 32,34 family therapy, 33 prescription monitoring programs, 44 gun violence, 43 criminal justice to drug and alcohol treatment, 16 SUD referral challenges, 42 legal issues surrounding patients with acquired immunodeficiency syndrome (AIDS) suffering from SUD, 20 and other privacy laws. 37 Legal reviews on Part 2 focused on key changes to Part 2 regulation, 38 the 2017 and 2018 final rules, 40 legal and ethical exceptions to Part 2, 22 characteristics of SUD programs and confidentiality statutes, 17,23 current initiatives to improve data interoperability in SUD systems, 27 special protections for SUD documentations, 31 Part 2 implementation challenges, 39 SUD in health care settings, 26 overview and trends of federal and state confidentiality and privacy of medical records, 19 trends and characteristics of long-term opioid use in persons with noncancer pain and a SUD history, 29 and the effect of the CARES Act on Part 2. 46 Opinions and legal reviews on Part 2 were twofold: discussions of Part 2 challenges, and recommendations on how to comply with Part 2.…”