Regulation

Regulation  501 CMR 20.00: Serialization of firearms

Date: 09/26/2025
Organization: Executive Office of Public Safety and Security
Regulatory Authority: MGL c. 140, § 121C
Official Version: Purchase the official print version

501 CMR 20.00 sets forth the establishment of the electronic request process for firearms serial numbers from the Department of Criminal Justice Information Services (DCJIS).

Download a PDF copy of the regulation below.

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