Apply for, renew, or amend your MCSR for Naloxone

Each municipality and non-municipal public agency needs a single Massachusetts Controlled Substances Registration (MCSR) for their public employees to administer naloxone or other approved opioid antagonists. Apply, renew, and amend information here.

Massachusetts Controlled Substances Registration

The Details of Apply for, renew, or amend your MCSR for Naloxone

What you need for Apply for, renew, or amend your MCSR for Naloxone

  • Municipality or public agency name
  • Applicant address
    • We can't process applications with a P.O. box number and no street address
  • Applicant telephone number
  • Applicant Federal Tax ID Number (Required by M.G.L. c. 30A, s. 13A)
  • Name of Medical Director (authorized licensed physician)
  • Attach copies of the Medical Director’s Board of Registration in Medicine License and MCSR.
    • Only send copies of supporting documents. Don't send originals, as we won't return them.

Fees for Apply for, renew, or amend your MCSR for Naloxone

  • The fee for naloxone MCSR is currently waived during the declared public health emergency
  • There is no fee to amend information

How to submit Apply for, renew, or amend your MCSR for Naloxone

  1. Download and complete the application:
  2. Mail completed application and any attachments to:

    Drug Control Program
    239 Causeway St.
    Suite 500
    Boston, MA 02114

Downloads for Apply for, renew, or amend your MCSR for Naloxone

Contact for Apply for, renew, or amend your MCSR for Naloxone

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