DOT compliance guides

The Driver Qualification File, item by item

Every document FMCSA requires in a driver qualification file under 49 CFR 391.51, what has to be refreshed annually, how long to keep it, and the items auditors most often find missing.

8 min read · 5 questions answered

Clearinghouse queries, explained

The difference between a full and a limited Clearinghouse query, when each is required, what consent you need for both, and the annual query deadline carriers most often miss.

6 min read · 5 questions answered

DOT random drug and alcohol testing

How FMCSA random testing selection actually works, the annual 50% drug and 10% alcohol minimum rates, what counts toward them, and why being enrolled in a consortium is not the same as being compliant.

7 min read · 6 questions answered

Out-of-service orders and getting back on the road

What an FMCSA out-of-service order is, how an Unsatisfactory safety rating leads to one, the difference between a roadside OOS and a federal operations OOS, and the path back to operating.

7 min read · 5 questions answered

The DOT physical and the medical examiner's certificate

How long a DOT physical is good for, why some cards are issued for less than two years, who is allowed to perform the exam, and what the carrier has to keep on file.

7 min read · 6 questions answered

BOC-3 and process agents

What a BOC-3 designation of process agents actually does, why you cannot normally file it yourself, what it costs, and how it fits alongside operating authority and insurance filings.

5 min read · 6 questions answered

Annual inspections, DVIRs and maintenance records

The annual DOT inspection requirement under 49 CFR 396.17, who is qualified to perform it, when a DVIR is actually required, and the retention periods for each record.

7 min read · 7 questions answered

Refusals, SAPs and getting a driver back to work

What counts as a refusal under 49 CFR Part 40, why it is treated as a positive test, and the full return-to-duty process — SAP evaluation, observed test and follow-up plan.

7 min read · 6 questions answered