CFR > Title 49 - Transportation > SUBTITLE B—Other Regulations Relating to Transportation > CHAPTER III—FEDERAL MOTOR CARRIER SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (Parts 300–399) > SUBCHAPTER B—FEDERAL MOTOR CARRIER SAFETY REGULATIONS (Parts 350–399) > PART 382—CONTROLLED SUBSTANCES AND ALCOHOL USE AND TESTING > SUBPART B—Prohibitions (§382.201 to §382.215) > 382.211—Refusal to submit to a required alcohol or controlled substances test.

382.211—Refusal to submit to a required alcohol or controlled substances test.

No driver shall refuse to submit to a post-accident alcohol or controlled substances test required under § 382.303, a random alcohol or controlled substances test required under § 382.305, a reasonable suspicion alcohol or controlled substances test required under § 382.307, or a follow-up alcohol or controlled substances test required under § 382.311. No employer shall permit a driver who refuses to submit to such tests to perform or continue to perform safety-sensitive functions.