StacksVerified U.S. regulatory reference

49 CFR §199.233

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
Except as provided in §§ 199.239 through 199.243, no operator shall permit any covered employee to perform covered functions if the employee has engaged in conduct prohibited by §§ 199.215 through 199.223 or an alcohol misuse rule of another DOT agency.