Glossary & Quick Reference
Fast, precise answers on DOT Return to Duty terminology, acronyms, agencies, forms, and official resources. ← All Resources
10 Articles in This Section
Read them in order, or jump to what you need.
DOT Return to Duty Glossary
Key regulatory terms from 49 CFR Part 40, defined and alphabetized. Read article →
Common DOT Return to Duty Acronyms
A reference table of the acronyms drivers and employers encounter most. Read article →
DOT Agencies Covered by Drug and Alcohol Testing Rules
Which DOT operating administrations apply Part 40, and who they regulate. Read article →
Common DOT Drug and Alcohol Testing Forms
An overview of the Federal Custody and Control Form and Alcohol Testing Form. Read article →
Types of DOT Collection Sites
How collection sites and alcohol testing sites are defined under Part 40. Read article →
SAMHSA Certified Laboratories
Why DOT testing requires an HHS-certified lab, and where to check current certification. Read article →
Medical Review Officers
A quick-reference entry point on the MRO role in the Return to Duty process. Read article →
Breath Alcohol Technicians
The BAT and STT roles, and the devices each is authorized to operate. Read article →
SAP Documentation and Reports
Delivery rules and required contents for SAP initial and follow-up reports. Read article →
Official Government Resources for the DOT Return to Duty Process
The official federal websites to check for current rules, forms, and records. Read article →