Massachusetts § 121D - 3-dimensional printers and computer numerical control milling machines; use; sale or transfer; application; violations
Full text of Massachusetts Massachusetts General Laws § 121D — 3-dimensional printers and computer numerical control milling machines; use; sale or transfer; application; violations, with citation guidance and answers to common questions.
§ 121D. 3-dimensional printers and computer numerical control milling machines; use; sale or transfer; application; violations
Section 121D. (a) No person shall use a 3–dimensional printer or computer numerical control milling machine to manufacture or assemble any firearm within the commonwealth without a valid license to carry firearms under section 131.
(b) No person shall sell, offer to sell or transfer a 3–dimensional printer or computer numerical control milling machine that has the primary or intended function of manufacturing or assembling firearms to any person in the commonwealth. A 3–dimensional printer or computer numerical milling machine has the primary or intended function of manufacturing or assembling firearms if the printer or machine is advertised, marketed or promoted to manufacture or assemble firearms, regardless of whether the printer or machine is otherwise described or classified as having other functions or as a general-purpose printer or machine.
(c) This section shall not apply to 3–dimensional printers or computer numerical control milling machines that are: (i) possessed by a forensic laboratory; (ii) being delivered to law enforcement for the sole purpose of their destruction; (iii) possessed by common carriers and their duly authorized employees and agents while performing the regular and ordinary transport of firearms as merchandise for customers licensed to permit such transport; (iv) possessed by or sold to a federally licensed manufacturer of firearms; or (v) the property of the government of the United States.
(d) A violation of this section shall be punishable by imprisonment for not more than 1 year or by a fine of not more than $5,000 per firearm per violation or both such fine and imprisonment.
Frequently Asked Questions About Massachusetts § 121D
What does Massachusetts General Laws § 121D cover?
Section 121D ("3-dimensional printers and computer numerical control milling machines; use; sale or transfer; application; violations") is part of the Massachusetts General Laws, the codified statutory law of Massachusetts. It sets out the legal rule or procedure described in the text above. Statutes are amended regularly, so always verify against the official source.
How do I cite Massachusetts § 121D?
A common citation format is "Massachusetts General Laws § 121D" (Massachusetts). Legal writing may require the code abbreviation, section number, and year or edition. Match the style required by your court, professor, or publisher.
Is this the official text of Massachusetts law?
No. This page is for research and education and may not include the most recent amendments. For official current law, check the Massachusetts official source linked on this page or consult a licensed Massachusetts attorney.
How does Massachusetts § 121D apply to my situation?
Statutes are interpreted in context, and application depends on your specific facts. Only a licensed attorney in Massachusetts can advise on how this section applies to you. Contact your state or local bar association for a referral.
Sources & Verification
Not legal advice. Verify against the official source and consult a licensed attorney in Massachusetts.