As first noted in HLBytes on December 2, 2022, HHS published a notice of proposed rulemaking (NPRM) on December 2 calling for significant changes to better align the substance use disorder provisions in 42 C.F.R. Part 2 with HIPAA. The deadline to submit comments is January 31, 2023. The proposed rule can be accessed at: Confidentiality of Substance Use Disorder Patient Records.