§ 392.4 Drugs and other substances.

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Title 49 CFR: Transportation › Chapter III: FEDERAL MOTOR CARRIER SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION › Part 392: DRIVING OF COMMERCIAL MOTOR VEHICLES › Subpart A: General › § 392.4: § 392.4 Drugs and other substances.

This text was captured on Aug 14, 2026. It is a snapshot, not a live feed, so check the official code before relying on it.

Text

(a) No driver shall be on duty and possess, be under the influence of, or use, any of the following drugs or other substances:

(1) Any 21 CFR 1308.11

Schedule I

substance;

(2) An amphetamine or any formulation thereof (including, but not limited, to “pep pills,” and “bennies”);

(3) A narcotic drug or any derivative thereof; or

(4) Any other substance, to a degree which renders the driver incapable of safely operating a motor vehicle.

(b) No motor carrier shall require or permit a driver to violate paragraph (a) of this section.

(c) Paragraphs (a) (2), (3), and (4) do not apply to the possession or use of a substance administered to a driver by or under the instructions of a licensed medical practitioner, as defined in § 382.107 of this subchapter, who has advised the driver that the substance will not affect the driver's ability to safely operate a motor vehicle.

(d) As used in this section, “possession” does not include possession of a substance which is manifested and transported as part of a shipment.

[61 FR 9567, Mar. 8, 1996, as amended at 62 FR 37153, July 11, 1997]

This is a copy of a public record, reproduced as it was published. It is not legal advice, and it may not be the version a court would rely on. Check the official source before you cite it.

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