There are a number of existing resources with training materials and guidance for implementing programs to provide medications for opioid use disorder. There are also a number of briefs summarizing the April 2024 revisions in federal methadone regulations, as well as state-specific methadone regulations. 

1. The U.S. Department of Health and Human Services maintains a list of resources for Opioid Treatment Providers, which includes training materials and provider resources for medication assisted treatment, summarizes federal requirements for OTP certification, and provides best practice guidelines: https://www.hhs.gov/opioids/treatment/resources-opioid-treatment-providers/index.html
2. Revised federal methadone regulations were published in April 2024 via a Final Rule on 42 CFR Part 8. The text of this Final Rule can be found at: https://www.federalregister.gov/documents/2024/02/02/2024-01693/medications-for-the-treatment-of-opioid-use-disorder
3. State-specific methadone regulations as of 2021 are summarized in a brief by the Pew Charitable Trust: https://www.pewtrusts.org/en/research-and-analysis/issue-briefs/2022/09/overview-of-opioid-treatment-program-regulations-by-state

The CATCH trial investigators have created a Clinical Guide to Support the Implementation of Addiction Consult Services. This clinical guide describes teaching and technical assistance activities supported during the trial and includes the CATCH Manual, which can be modified to meet the needs and context of other hospitals: https://journals.lww.com/journaladdictionmedicine/fulltext/2024/05000/a_clinical_guide_to_support_the_implementation_of.1.aspx