Frequently Asked Questions
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Browse answers to common questions about our Return‑to‑Duty, Consortium CTPA, and Clinical Drug Testing services.
Return-to-Duty Program Questions (CDL Drivers)
Employer DOT Compliance Questions
Clinical Drug Testing & Toxicology Questions
General Questions
What is the Return-to-Duty (RTD) process?
The Return-to-Duty process is a federally required program for CDL drivers who have violated DOT drug or alcohol regulations. Drivers must complete an evaluation with a Substance Abuse Professional (SAP), any required education or treatment, and a Return-to-Duty drug test before they can perform safety-sensitive duties again.
How can I get out of prohibited status in the FMCSA Clearinghouse?
How long does the Return-to-Duty process take?
Do I need a SAP referral to start the process?
What happens after I return to work?
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