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FREQUENTLY ASKED QUESTIONS (FAQs)
FMCSA COMPLIANCE FAQS
Got questions about FMCSA compliance, drug testing, or the Return-to-Duty process?
Below are answers to the most common questions we receive from CDL drivers, employers, owner-operators, and SAPs.
What is FMCSA compliance?
Q.
A.
FMCSA compliance refers to following federal regulations under 49 CFR Part 40, including drug & alcohol testing requirements for CDL drivers, trucking companies, and safety-sensitive employees.
Q.
Who is required to follow FMCSA drug & alcohol testing regulations?
A.
CDL drivers, trucking companies, owner-operators, and employers in safety-sensitive industries (such as pipeline, transit, and rail).
Q.
What are the different types of FMCSA drug & alcohol tests?
A.
FMCSA requires:
✔ Pre-Employment Drug Testing – Before starting a safety-sensitive job
✔ Random Testing – Conducted throughout the year
✔ Post-Accident Testing – Required after certain crashes
✔ Return-to-Duty Testing – After a DOT violation & completed SAP process
✔ Follow-Up Testing – A mandatory monitoring plan for drivers who return to work
Q.
What happens if a CDL driver fails a DOT drug or alcohol test?
A.
The driver is placed in prohibited status in the FMCSA Clearinghouse and must complete the Return-to-Duty process before legally driving again.
Q.
What is the FMCSA Drug and Alcohol Clearinghouse?
A.
The Clearinghouse is a secure online database providing real-time information on commercial driver’s license (CDL) holders' drug and alcohol violations. It enables employers, state licensing agencies, and law enforcement to check CDL and commercial learner’s permit (CLP) holders for compliance with federal regulations.
Q.
What type of violations are recorded in the Clearinghouse?
A.
The Clearinghouse records positive drug or alcohol test results, test refusals, and violations that involve actual knowledge, where a driver is observed to be using alcohol or drugs while on duty.
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