Tap any paragraph to write a margin note. Your notes collect in the Desk below the text and file under cases with @. The side-by-side margin rail opens on a larger screen.

Code · California · Vehicle Code

§ 27400

161 words·~1 min read·/ca/vehicle-code/27400

A research copy — for the controlling text, always check the official state or federal source. Not legal advice.

A person operating a motor vehicle or bicycle may not wear a headset covering, earplugs in, or earphones covering, resting on, or inserted in, both ears. This prohibition does not apply to any of the following:
(a)A person operating authorized emergency vehicles, as defined in Section 165.
(b)A person engaged in the operation of either special construction equipment or equipment for use in the maintenance of any highway.
(c)A person engaged in the operation of refuse collection equipment who is wearing a safety headset or safety earplugs.
(d)A person wearing personal hearing protectors in the form of earplugs or molds that are specifically designed to attenuate injurious noise levels. The plugs or molds shall be designed in a manner so as to not inhibit the wearer’s ability to hear a siren or horn from an emergency vehicle or a horn from another motor vehicle.
(e)A person using a prosthetic device that aids the hard of hearing.
★   the supreme law of the land   ★
Don't Tread on Me
E Pluribus Unum — out of many, one

"If you don't know your rights, you don't have any."

Marginalia · a citizen's law index
A research desk, not legal advice. Always read the cited source before relying on a summary.
Questions or an issue? support@self-law.org
disclaimerMarginalia is a research index, not a law firm. Nothing on this site is legal, tax, or financial advice and no attorney–client relationship is formed by using it. Statutes, regulations, and case law change; summaries, search results, AI output, and member posts may be incomplete, out of date, or wrong. Any interpretation drawn from material on this site should be validated by a licensed attorney in your jurisdiction before you act on it.