[Code of Federal Regulations] [Title 49, Volume 7] [Revised as of October 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR655.46] [Page 67] TITLE 49--TRANSPORTATION CHAPTER VI--FEDERAL TRANSIT ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 655_PREVENTION OF ALCOHOL MISUSE AND PROHIBITED DRUG USE IN TRANSIT OPERATIONS--Table of Contents Subpart E_Types of Testing Sec. 655.46 Return to duty following refusal to submit to a test, verified positive drug test result and/or breath alcohol test result of 0.04 or greater. Where a covered employee refuses to submit to a test, has a verified positive drug test result, and/or has a confirmed alcohol test result of 0.04 or greater, the employer, before returning the employee to duty to perform a safety-sensitive function, shall follow the procedures outlined in 49 CFR Part 40.