Description
The MCS-150 (Motor Carrier Identification Report)
form is the official FMCSA filing used to update or confirm your USDOT number information. Every trucking company and owner-operator must submit it to stay compliant and avoid penalties, deactivation, or audit issues.
The MCS-150 updates key details about your business, including:
- Company name and address
- Operating authority status
- Vehicle and driver counts
- Cargo classification
- Operation type (interstate or intrastate)
Federal law requires carriers to file an MCS-150 every two years — even if no information has changed. Missing your deadline can result in fines or USDOT number deactivation.
Our DOT compliance specialists handle your MCS-150 filing accurately and on time, so you can stay compliant and keep your trucks on the road.
Need to Know
Update is required every 2 years
- This update is mandatory even if you operate within state lines and/or no company information has changed
- Failing to complete your required update can result in penalties or deactivation of your USDOT number. Staying current ensures your records remain compliant and your authority stays active.
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USDOT digits set filing time
- Second-to-last digit → tells you the year.
- Last digit → tells you the month your update is due
- 1 = file in January & 2 = file in February
- Last digit → tells you the month your update is due
- Odd number = file in an odd-numbered year
Whats an Edit?
- Any changes made outside the required biennial update period are considered edits and must be filed within 30 days of the change.
- adding/removing drivers or vehicles
- changing business address
- updating contact information
Why DOT Compliance Group?
- Peace of Mind
- One-on-one customer service
- Trusted by thousands of owner-operators
- Compliance Experts
- Professional Support
Frequently Asked Questiom
Why am I getting emails and letters about my DOT Biennial Update?
If you’re receiving emails or letters about your Biennial Update, it’s usually because your USDOT number is approaching its required filing deadline. Your Biennial Update is part of your required DOT filing and compliance with the FMCSA. Even if nothing has changed in your business, you are still required to file every two years.
Do I need to file a Biennial Update if nothing has changed?
Yes. Even if nothing in your business has changed, the FMCSA still requires you to file your Biennial Update every two years. It’s a mandatory part of your overall DOT compliance program.
What happens if I miss my DOT Biennial Update deadline?
If you miss your deadline, your USDOT number can be deactivated — which means you can’t legally operate. This is why many drivers choose DOT compliance companies like DOT Compliance Group to handle their filing requirements. You can file a “Past-Due” update to get back on track.
Can I file my Biennial Update myself?
You can file it with the FMCSA, but mistakes are common — especially with business classification, mileage reporting, or driver counts. A trusted compliance company like DOT Compliance Group ensures your filing is accurate. For many owner-operators, a monthly service fee feels more manageable than unexpected fines, downtime, or lost revenue.
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