# 49 CFR § 384.203: Driving while under the influence

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/ecfr-49-384.203

## Section

- **Citation:** 49 CFR § 384.203
- **Heading:** Driving while under the influence
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** September 22, 2026
- **Source:** Publisher's official text
- **Location:** Title 49—Transportation > Subtitle B—Other Regulations Relating to Transportation > CHAPTER III—FEDERAL MOTOR CARRIER SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION > SUBCHAPTER B—FEDERAL MOTOR CARRIER SAFETY REGULATIONS > PART 384—STATE COMPLIANCE WITH COMMERCIAL DRIVER'S LICENSE PROGRAM > Subpart B—Minimum Standards for Substantial Compliance by States

## Text

(a) The State must have in effect and enforce through licensing sanctions the disqualifications prescribed in § 383.51(b) of this subchapter for driving a CMV with a 0.04 alcohol concentration.
(b) Nothing in this section shall be construed to require a State to apply its criminal or other sanctions for driving under the influence to a person found to have operated a CMV with an alcohol concentration of 0.04, except licensing sanctions including suspension, revocation, or cancellation.
(c) A State that enacts and enforces through licensing sanctions the disqualifications prescribed in § 383.51(b) of this subchapter for driving a CMV with a 0.04 alcohol concentration and gives full faith and credit to the disqualification of CMV drivers by other States shall be deemed in substantial compliance with section 12009(a)(3) of the Commercial Motor Vehicle Safety Act of 1986 (49 U.S.C. 31311(a)(3)).
[67 FR 49761, July 31, 2002]

## Nearby sections

- [49 CFR § 384.101 § 384.101 Purpose and scope.](https://www.frixlaw.com/law-library/statutes/ecfr-49-384.101.md)
- [49 CFR § 384.103 § 384.103 Applicability.](https://www.frixlaw.com/law-library/statutes/ecfr-49-384.103.md)
- [49 CFR § 384.105 § 384.105 Definitions.](https://www.frixlaw.com/law-library/statutes/ecfr-49-384.105.md)
- [49 CFR § 384.107 § 384.107 Matter incorporated by reference.](https://www.frixlaw.com/law-library/statutes/ecfr-49-384.107.md)
- [49 CFR § 384.201 § 384.201 Testing program.](https://www.frixlaw.com/law-library/statutes/ecfr-49-384.201.md)
- [49 CFR § 384.202 § 384.202 Test standards.](https://www.frixlaw.com/law-library/statutes/ecfr-49-384.202.md)
- [49 CFR § 384.203 § 384.203 Driving while under the influence.](https://www.frixlaw.com/law-library/statutes/ecfr-49-384.203.md)
- [49 CFR § 384.204 § 384.204 CLP or CDL issuance and information.](https://www.frixlaw.com/law-library/statutes/ecfr-49-384.204.md)
- [49 CFR § 384.205 § 384.205 CDLIS information.](https://www.frixlaw.com/law-library/statutes/ecfr-49-384.205.md)
- [49 CFR § 384.206 § 384.206 State record checks.](https://www.frixlaw.com/law-library/statutes/ecfr-49-384.206.md)
- [49 CFR § 384.207 § 384.207 Notification of licensing.](https://www.frixlaw.com/law-library/statutes/ecfr-49-384.207.md)
- [49 CFR § 384.208 § 384.208 Notification of disqualification.](https://www.frixlaw.com/law-library/statutes/ecfr-49-384.208.md)
- [49 CFR § 384.209 § 384.209 Notification of traffic violations.](https://www.frixlaw.com/law-library/statutes/ecfr-49-384.209.md)
- [49 CFR § 384.210 § 384.210 Limitation on licensing.](https://www.frixlaw.com/law-library/statutes/ecfr-49-384.210.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/ecfr-49-384.203. Check the current official text before relying on it. Not legal advice.