49 C.F.R. § 655.17 Notice requirement.
Title 49 - Transportation
Before performing a drug or alcohol test under this part, each employer shall notify a covered employee that the test is required by this part. No employer shall falsely represent that a test is administered under this part.
Title 49: Transportation
PART 655—PREVENTION OF ALCOHOL MISUSE AND PROHIBITED DRUG USE IN TRANSIT OPERATIONS
Subpart B—Program Requirements
§ 655.17 Notice requirement.

