[Code of Federal Regulations] [Title 49, Volume 5] [Revised as of October 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR382.211] [Page 171] TITLE 49--TRANSPORTATION CHAPTER III--FEDERAL MOTOR CARRIER SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 382_CONTROLLED SUBSTANCES AND ALCOHOL USE AND TESTING--Table of Contents Subpart B_Prohibitions Sec. 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 Sec. 382.303, a random alcohol or controlled substances test required under Sec. 382.305, a reasonable suspicion alcohol or controlled substances test required under Sec. 382.307, or a follow-up alcohol or controlled substances test required under Sec. 382.311. No employer shall permit a driver who refuses to submit to such tests to perform or continue to perform safety-sensitive functions.