Massachusetts § 1 - Authorization of metric system; carat weight
Full text of Massachusetts Massachusetts General Laws § 1 — Authorization of metric system; carat weight, with citation guidance and answers to common questions.
§ 1. Authorization of metric system; carat weight
Section 1. The weights and measures of the metric system may be employed and used in the commonwealth, and no contract or dealing shall be deemed invalid and no pleading in any court shall be open to objection because the weights or measures are stated therein in terms of the metric system; provided, that the carat weight of two hundred milligrams, and its multiples and subdivisions, shall be the sole legal standard for the buying and selling of diamonds and other precious stones. The metric weights and measures received from the United States and now in the custody of the deputy director of standards may be used as authorized standards, and shall in no case be removed from his custody except when necessary for their preservation or repair.
Source: official Massachusetts text · Last verified 2026-08-27
Frequently Asked Questions About Massachusetts § 1
What does Massachusetts General Laws § 1 cover?
Section 1 ("Authorization of metric system; carat weight") 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 § 1?
A common citation format is "Massachusetts General Laws § 1" (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 § 1 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.