49 C.F.R. § 384.221 Out-of-service regulations (intoxicating beverage).
Title 49 - Transportation
The State shall adopt, and enforce on operators of CMVs as defined in §§383.5 and 390.5 of this title, the provisions of §392.5 (a) and (c) of this title in accordance with the Motor Carrier Safety Assistance Program as contained in 49 CFR part 350 and applicable policy and guidelines.
Title 49: Transportation
PART 384—STATE COMPLIANCE WITH COMMERCIAL DRIVER'S LICENSE PROGRAM
Subpart B—Minimum Standards for Substantial Compliance by States
§ 384.221 Out-of-service regulations (intoxicating beverage).
