Missouri § 302.440 - Devices, use of, when.
Full text of Missouri Revised Statutes of Missouri § 302.440 — Devices, use of, when., with citation guidance and answers to common questions.
§ 302.440. Devices, use of, when.
In addition to any other provisions of law, a court may require that any person who is found guilty of a first intoxication-related traffic offense, as defined in section 577.001, and a court shall require that any person who is found guilty of a second or subsequent intoxication-related traffic offense, as defined in section 577.001, or any person who is found guilty of an intoxication-related traffic offense, as defined under section 577.001, in which the person's blood alcohol content was found to be fifteen-hundredths of one percent or more by weight of alcohol in such person's blood, or in which the person caused any property damage or personal injury shall not operate any motor vehicle unless that vehicle is equipped with a functioning, certified ignition interlock device that the person must use for a period of not less than six months from the date of reinstatement of the person's driver's license. In addition, any court authorized to grant a limited driving privilege under section 302.309 to any person who is found guilty of a second or subsequent intoxication-related traffic offense or to any person who is found guilty of an intoxication-related traffic offense, as defined under section 577.001, in which the person's blood alcohol content was found to be fifteen-hundredths of one percent or more by weight of alcohol in such person's blood, or in which the person caused any property damage or personal injury shall require the use of an ignition interlock device on all vehicles operated by the person as a required condition of the limited driving privilege, except as provided in section 302.441. These requirements shall be in addition to any other provisions of this chapter or chapter 577 requiring installation and maintenance of an ignition interlock device. Any person required to use an ignition interlock device shall comply with such requirement subject to the penalties provided by section 577.599.
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(L. 2014 S.B. 491, A.L. 2016 S.B. 657, A.L. 2026 H.B. 1740)
---- end of effective 28 Aug 2026 ----
Source: official Missouri text · Last verified 2026-08-27
Frequently Asked Questions About Missouri § 302.440
What does Revised Statutes of Missouri § 302.440 cover?
Section 302.440 ("Devices, use of, when.") is part of the Revised Statutes of Missouri, the codified statutory law of Missouri. 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 Missouri § 302.440?
A common citation format is "Revised Statutes of Missouri § 302.440" (Missouri). 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 Missouri law?
No. This page is for research and education and may not include the most recent amendments. For official current law, check the Missouri official source linked on this page or consult a licensed Missouri attorney.
How does Missouri § 302.440 apply to my situation?
Statutes are interpreted in context, and application depends on your specific facts. Only a licensed attorney in Missouri 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 Missouri.