Straight-talk DOT compliance guides for motor carriers
Written by people who actually file the paperwork. No fluff, no upsells, just the regulations explained in plain English.
Fundamentals
What Is DOT Compliance? A Complete Guide for Motor Carriers
DOT compliance covers every federal rule that applies to your trucks, drivers and recordkeeping. Here's what it really means, what it costs, and how to stay on the right side of an audit.
USDOT Number vs. MC Number: What's the Difference?
A USDOT number identifies you; an MC number permits you. Here's exactly who needs which, what each costs, how long authority takes, and the mistakes that cost carriers thousands.
Drug & Alcohol
DOT Drug & Alcohol Consortium: What Truckers Need to Know in 2025
Owner-operators and small carriers are required to join a DOT drug and alcohol consortium. Here's how consortiums work, what testing is required, and what the Clearinghouse changed.
What Is a DOT Drug and Alcohol Consortium?
A consortium (C/TPA) runs the random testing pool the FMCSA requires you to be in. Here's what a consortium actually does, why owner-operators can't run their own, and what it costs.
What Drugs Are Tested for on a DOT Drug Test?
The DOT 5-panel covers marijuana, cocaine, amphetamines, opioids and PCP, with specific cutoff levels. Here's exactly what's tested, how the MRO reviews it, and what a positive triggers.
What Is the Difference Between a DOT and Non-DOT Drug Test?
DOT tests follow federal chain of custody under 49 CFR Part 40; non-DOT tests are employer policy. Here's how they differ, and whether a DOT physical includes a drug test.
FMCSA Filings
MCS-150 Biennial Update Guide: Deadlines, Penalties & How to File
Every motor carrier with a USDOT number has to file an MCS-150 biennial update. Miss it, and your DOT number is deactivated. Here's exactly when it's due and how to file.
UCR Registration Explained: Who Needs It, How Much It Costs, How to Renew
Unified Carrier Registration is required for every interstate motor carrier, broker, freight forwarder and leasing company. Here's how UCR works in 2025 and how to renew it.
What Is the MCS-150 Form and Who Has to File It?
The MCS-150 is the Motor Carrier Identification Report behind your USDOT number. Here's what it collects, who has to file it, and how the biennial schedule is set.
How Do I Update My MCS-150 Online?
A step-by-step walkthrough of updating your MCS-150 online, what you need before you start, how to get a USDOT PIN, and how to confirm the update actually posted.
Fuel & Tax
IFTA Fuel Tax Filing Guide: How to Calculate, File and Avoid Penalties
The International Fuel Tax Agreement (IFTA) lets interstate carriers file one quarterly return instead of one per state. Here's how to calculate IFTA tax, what records you need, and how to file.
What Is IFTA and Who Has to File It?
IFTA lets interstate carriers file one quarterly fuel tax return instead of one per state. Here's who qualifies, who's exempt, and what the quarterly calendar looks like.
How Do I Fix or Amend an IFTA Return?
Missed a jurisdiction, botched a surcharge state, or forgot fuel receipts? Here's when to amend an IFTA return, how to do it, and what the penalties look like.
What Is IRS Form 2290 and Who Has to File It?
Form 2290 is the Heavy Highway Vehicle Use Tax return for trucks at 55,000 lbs or more. Here's who files, how the tax is calculated, and why the stamped Schedule 1 matters.
When Is Form 2290 Due and What Happens If I File Late?
The annual 2290 is due August 31 for the July–June tax period, but a mid-year truck is due the last day of the following month. Here's the full calendar and the late-filing consequences.
Permits & Registration
What Are Apportioned Plates and Do I Need Them?
An apportioned plate is an IRP registration that covers you in every member jurisdiction you run. Here's who needs one, who doesn't, and how the fees are split.
How Do I Get Apportioned Plates (IRP Registration)?
Base jurisdiction, documents, distance charts, cab cards and supplements, a step-by-step walkthrough of getting and renewing IRP apportioned plates.
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