The DOT, along with FMCSA, have regulations requiring commercial motor vehicle (CMV) operators required to maintain a commercial driver’s license (CDL) to be tested for alcohol and drugs
Part 382.601 provides for Policy Components Required by the FMCSA Controlled Substances and Alcohol Rule, these requirements include:
- Overview
- Categories of Drivers Subject to Testing
- Participation as a Requirement of Employment
- Required Hours of Compliance
- Prohibited Behavior
- Circumstances for Testing
- Behavior That Constitutes a Refusal to Submit to a Test
- Consequences for Drivers With an Alcohol Concentration of 0.02 or Greater but Less Than 0.04
- Testing Procedures
- Consequences of the Use of Controlled Substances and the Misuse of Alcohol
- Identity of Contact Person
- Effects of Alcohol and Controlled Substances
Detailed information on the above 12 policy requirements can be found at: http://www.fmcsa.dot.gov/regulations/drug-alcohol-testing/implementation-guidelines-alcohol-and-drug-regulations-chapter-3