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June 1, 2023

DOT Clearinghouse Employer Responsibilities: Full Guide for Compliance

Table of Contents

CDL Clearinghouse Basics

The Federal Motor Carrier Safety Administration (FMCSA) created a national database known as Clearinghouse. This new system was designed to store drug and alcohol violation records of FMCSA-regulated drivers.

The Clearinghouse online database helps employers (prospective and current) and the FMCSA to identify violations of controlled substance and alcohol usage among FMCSA-regulated CDL drivers and CDL permit holders.

Employers will be able to check if a driver has any open violations and verify that they have successfully completed any required follow-up alcohol testing program or substance abuse training.

Clearinghouse was implemented on January 6, 2020. As of January 6, 2023, Clearinghouse was fully implemented, meaning the paper “previous employer checks” form is no longer required.

What does the DOT Clearinghouse mean for my business?

The FMCSA’s Clearinghouse will have an impact on virtually all employers who employ FMCSA-regulated drivers. Most notably, it means that employers must conduct a full query of the driver as part of each pre-employment process.

The Clearinghouse’s implementation is designed to help employers better manage safety protocols and provide a more efficient way to keep their drivers compliant with drug & alcohol testing regulations.

Benefits of FMCSA Clearinghouse

The FMCSA Drug and Alcohol Clearinghouse (DACH) is a welcome addition to creating a safer and more compliant driving environment. Among the many benefits of the Clearinghouse database include:

    • Provides employers with a more efficient way of tracking driver violations while also allowing drivers to quickly and easily manage their records.

    • Helps minimize the amount of time and paperwork employers must complete each year to stay compliant.

    • Enables employers to quickly verify all aspects of driver’s records and test results, follow-up tests, and return-to-duty tests.

    • Allows employers to quickly and easily identify any issues now before they become larger compliance problems in the future.

Top 5 Employer Questions: Drug and Alcohol Clearinghouse

1. Is my business affected by the CDL Clearinghouse?

Yes, if you have drivers subject to controlled substances and alcohol testing performing safety-sensitive functions, you are required to register with Clearinghouse and conduct a full query of each driver as part of your pre-employment process.

All FMCSA-regulated driver employers, Medical Review Officers (MROs), third-party administrators (TPAs), and Substance Abuse Professionals (SAPs) must register with Clearinghouse as well.

2. When do I need to register my company for the CDL Clearinghouse?

Registration with Clearinghouse has been mandatory since January 6, 2020. Doing this as soon as possible is best to avoid any potential compliance issues with the FMCSA.

3. How is driver information in the CDL Clearinghouse protected?

Written or electronic consent from the concerned CDL driver is required before an employer or other authorized entities (TPA or MRO) can access their information in Clearinghouse.

The consent, however, may be retained for 3 years from the date of the last query. After 3 years, the driver must be asked for consent to access their records again.

Additionally, the FMCSA is required to notify the CDL driver if any information has been released from Clearinghouse to an employer or if any information has been removed or revised.

4. How much does it cost to search the CDL Clearinghouse, and what information do I get when I search?

The cost of a query depends on the type of search and how many drivers are being searched. The search results will give employers information related to drug and alcohol testing, alcohol program violations, the completion status of the tests, reports on drug and alcohol usage, and more.

5. Which violations are included in the Clearinghouse, and how are they removed?

Clearinghouse includes any alcohol and drug-related violations such as but not limited to the following:

    • Alcohol confirmation test (at least 0.04 concentration).

    • Verified positive, adulterated, or substituted controlled substances test results.

    • Refusal to submit to drug and alcohol tests.

    • Usage of alcohol pre-duty or on-duty.

Violations are removed from Clearinghouse after 5 years, providing that all requirements have been met. This includes completing a return-to-duty process, such as a drug or alcohol test and an evaluation by a Substance Abuse Professional (SAP).

An Employer’s Guide to the FMCSA Clearinghouse

Employer’s Responsibilities

Fleet owners, regulated motor carriers, employers of FMCSA-regulated drivers, and service agents are required to register with the Drug and Alcohol Clearinghouse as part of the compliance requirements of the FMCSA.

Employers must also conduct full queries and limited queries of current drivers and review the results for any violations and substance usage reports.

Additionally, employers must create, maintain, and audit past and current policies that adhere to Clearinghouse’s regulations.

Employers must also ensure that the driver obtains written consent before sharing any information about them with other employers or agencies.

Finally, employers must also create a system for confirming the completion of return-to-duty processes.

Full vs. Limited Queries: FMCSA Drug & Alcohol Clearinghouse

Full queries provide employers with detailed information about the driver’s drug and alcohol program violations.

The FMCSA requires employers to conduct an annual query for each of their drivers. Additionally, employers must conduct full queries prior to the driver’s initial assignment.

Limited queries, on the other hand, only provide the employer with whether any record exists in Clearinghouse regarding a specific driver.

Limited queries can be done in lieu of the annual query. However, if there is reasonable suspicion of an alcohol or drug violation, the employer must conduct a full query within 24 hours.

Each query type, full and limited, must be stored for 3 years by the employer for recordkeeping.

Obtaining Consent from Drivers

Under the Drug & Alcohol Clearinghouse, employers must obtain written or electronic consent from CDL drivers before accessing their information from Clearinghouse.

Drivers must be informed that they have the right to access any information collected about them and request its modification or removal.

Reporting to the Drug & Alcohol Clearinghouse

Employers, TPAs, and MROs are responsible for reporting the results of drug & alcohol tests to Clearinghouse within 2-3 business days of obtaining any drug and alcohol violation of employees.

Employers must also report any violations that are not reported by TPAs or MROs. This includes but is not limited to:

    • Positive drug and alcohol test results

    • Adulterated or substituted drug and alcohol test reports

    • Refusal to take DOT drug and alcohol test

    • Usage of alcohol or prohibited drugs before or during duty

Employers are also required to report to Clearinghouse if any of the below apply:

    • If the concerned driver has completed all prescribed DOT tests

    • Negative return-to-duty test result

When reporting, employers must include the following information:

    • Driver’s name and birthday

    • Driver’s CDL number and date of issuance,

    • Type and date of violation

    • Description of violation

    • Evidence of violation

    • Name of employer or agency at the time of the violation

    • Documentation of completion of return-to-duty process

    • For driver grave violations: Documentation that the employee has resigned or terminated

An Employee’s Guide to the FMCSA Clearinghouse

Clearinghouse is a great tool for truckers to keep up to date on their drug & alcohol testing and any next steps that need to be taken.

Registering with the Drug & Alcohol Clearinghouse as a CDL Employee

As an employee, you will need to register with Clearinghouse and provide accurate information.

    • To register, you must have your CDL or CLP information.

    • Go to the FMCSA Clearinghouse website and click “Register Now.”

    • From there, you will be able to set up your account and provide the necessary information.

What happens once you’re registered?

Once you are registered with Clearinghouse, any positive drug or alcohol test will be reported, including test refusals, return-to-duty process, and follow-up testing.

Your employer and other authorized users will also be able to conduct queries on your records. It’s important to make sure all of your information is up-to-date, so employers can acquire accurate and current data.

What are the consequences of drug & alcohol violations for CDL drivers?

A violation can result in criminal and civil penalties from the FMCSA and state agencies and a suspension or revocation of your CDL. Employers can also decide to terminate you, depending on the severity of the violation.

If you are found to have violated any drug or alcohol regulations, you will be required to go through a return-to-duty process.

Return-to-Duty Process

Employee’s Responsibilities

When you return to duty after a violation, you must complete certain steps to make sure that you have complied with the FMCSA guidelines. This includes:

    • Attend all required courses and counseling sessions.

    • Complete a return-to-duty evaluation with a SAP.

    • Submit proof of completion to Clearinghouse.

Employer’s Responsibilities

Employers must also meet certain requirements in order to keep the driver compliant. This includes:

    • Reporting the test results to Clearinghouse

    • Checking the driver’s status on a regular basis

    • Providing return-to-duty confirmation to Clearinghouse

Employers are not required to reinstate erring employees to safety-sensitive duties; it is at their discretion based on their collective bargaining agreement (CBA) or other applicable laws.

SAP’s or MRO’s Responsibilities

A Substance Abuse Professional (SAP) or Medical Review Officer (MRO) must provide an evaluation of the driver’s return-to-duty process. This includes:

    • Providing a comprehensive alcohol & drug evaluation

    • Recommending all necessary treatment or follow-up services for the driver

    • Issuing written documentation of the return-to-duty process

SAPs and MROs are not allowed to make “fitness for duty” recommendations; that is the employer’s responsibility.

Get in Touch With DOT Compliance Group

DOT Compliance Group can provide assistance with any of your Clearinghouse needs. What we can help you with:

    • Assist with Registering with Clearinghouse

    • Driver qualification assistance

    • Perform queries and collection of data on your behalf (upon request)

    • Report certain DOT violations on your behalf

    • Provide resources and materials to help you comply with DOT regulations

Please note that due to FMCSA rules and regulations, DOT Compliance Group cannot legally set up your FMCSA portal or Clearinghouse account for you; however, we can assist you with setting them up. We also cannot:

    • Provide troubleshooting assistance for registration issues with the government website. You would need to contact Clearinghouse.

    • Report actual knowledge violations as defined by Section 382.107 of the Controlled Substances and Alcohol Use and Testing Regulations.

Contact us today for more information about our services and how we can help you stay compliant with the Drug and Alcohol Clearinghouse!

Step-by-Step Clearinghouse Enrollment for Employers

Prepare required accounts


Ensure you have an account with Login.gov to access FMCSA Clearinghouse and an FMCSA Portal account tied to your USDOT number.

Begin Clearinghouse Registration


Visit the Clearinghouse registration page after logging in with your Login.gov credentials and choose “Employer role” when prompted.
Enter company and contact information and confirm authorization.

Designate a C/TPA (if applicable)


Designate your company’s consortium/third-party administrator (C/TPA) for drug and alcohol programs in the Clearinghouse.

Finalize Enrollment


Submit registration details and complete setup process. Perform queries for new hires and limited or annual queries for current drivers.

Finalize Enrollment


Submit registration details and complete setup process. Perform queries for new hires and limited or annual queries for current drivers.

Clearinghouse Compliance Checklist for Employers

Enroll in the FMCSA Clearinghouse


Register your company to gain access to the Clearinghouse dashboard.

Assign and administrator and link your USDOT number


Designate a user to manage access to the Clearinghouse account.

Run pre-employment and annual driver queries


Complete full queries for new hires and annual queries for current CDL drivers.

Keep driver and user access records up to date


Regularly review users, driver status, and permissions to maintain compliance with FMCSA.

State vs. Federal Clearinghouse Rules



There is a difference between state and federal Clearinghouse rules due to the scope of their authority: states regulate intrastate CDL operations within their borders, while federal regulations govern interstate commerce to ensure consistent safety and compliance standards nationwide.

CDL Clearinghouse Rules Comparison’ comparing federal and state rules across five areas: authority, who it applies to, employer enrollment, driver queries, and violation reporting.

Interstate Operations vs Intrastate Operations

Federal: Applies to CDL drivers and employers operating across state lines or under federal authority. State: Applies to CDL drivers operating only within one state.

Mandatory Employer Enrollment vs State-Determined Participation

Federal: Employers must be registered in the FMCSA Clearinghouse to run queries and report violations. State: You will need Clearinghouse participation for intrastate carriers depending on your state.

Required Driver Queries vs State Enforcement Practices

Federal: Pre-employment full queries and annual checks are required for all covered CDL drivers. State: Query expectations vary by state.

Federal Violation Reporting Rules vs Federal Rules Override

Federal: Drug and alcohol violations must be reported within FMCSA. State: Enforcement is handled by state agencies, but federal rules take precedence when applicable.

(An Employer’s Guide to the FMCSA Clearinghouse)

Recordkeeping for DOT Audits

Employers must maintain accurate and organized records of all Clearinghouse-related activities to ensure compliance during DOT audits. This includes documentation of full and limited queries, driver consent forms, violation reports, and return-to-duty records. Records should be retained for at least three years and kept in a format that allows for easy retrieval. Proper recordkeeping demonstrates adherence to FMCSA regulations and provides proof of compliance in the event of an audit.

(Return-to-Duty Process)

How Drivers Can Dispute or Correct Their Records

Drivers have the right to review the information reported about them in the Clearinghouse and request corrections if any errors are identified. To correct a record, drivers must submit a request through the Clearinghouse portal and provide supporting evidence for review. Ensuring records are accurate helps protect drivers’ compliance status and maintains the integrity of the FMCSA Clearinghouse system.

FAQ

What Happens If You Fail a DOT Inspection?

If the vehicle or driver is deemed unsafe, they may be placed out of service, meaning the vehicle cannot operate until all violations are properly corrected.

Who decides which level of inspection to perform?

Both the Commercial Vehicle Safety Alliance (CVSA) and the Federal Motor Carrier Safety Administration have a part in DOT inspection levels. The CVSA develops the criteria and sets the procedures for every inspection level. The FMCSA establishes overall regulations and determines which vehicles must be inspected.

How often do DOT inspections happen?

DOT inspections can happen at any time. They most commonly happen during roadside stops and weigh stations. Carriers with higher risk, poor safety records, or hazardous material may be inspected more frequently.

What documents are required during an inspection?

Documents required during an inspection include but may not be limited to:

  • State driver’s license or commercial driver’s license
  • Medical examiner’s certificate
  • Record of duty status
  • Vehicle registrations
  • Periodic inspections document for all vehicles being operated
  • Shipping papers or bills of lading
  • Information for hazardous materials being transported
  • Proof of insurance

What are common DOT inspection violations?

According to the FMCSA, the 5 most cited roadside violations are:

  1. False Report of Driver’s Record of Duty Status: log falsification providing inaccurate or intentionally altered duty-status information.
  2. No Record of Duty Status (ELD Required): using a commercial vehicle without the required electronic logging device or valid time records.
  3. Inoperable Required Lamp: crucial lights (headlights, brake lights, turn signals, etc.) are not functioning properly.
  4. Operating a Commercial Motor Vehicle Without a Commercial Driver’s License (CDL)
  5. Operating a Commercial Motor Vehicle Without Proof of a Periodic Inspection: failure to meet FMCSA the maintenance standards of a required annual inspection.

Why is updating VMT important for compliance?

VMT is tracked to determine fuel tax obligations (Vehicle Miles Traveled Tax) used for road maintenance and improvements. Trucking companies must keep accurate records of VMT to ensure they pay the correct amount of taxes.

How often should VMT be updated?

For motor carriers VMT must be updated every two years along with the MCS-150 form for the Biennial Update.

Can VMT be tracked automatically with technology?

Yes, Electronic Legging Devices (ELDs), Fleet Management Apps, and Mileage Tracking Software are all technological advancements that can simplify the process of VMT tracking.

How does VMT affect taxes and fuel reporting?

Accurate VMT records help document mileage for business-related tax deductions, ensuring compliance with IRS regulations. It also supports fuel tax reporting by tracking the miles each vehicle travels in different jurisdictions, which is essential for state and federal fuel tax calculations. Proper tracking reduces errors, prevents penalties, and provides a clear record of operational costs.

How do I know when my Biennial Update is due?

  • Your filing schedule depends on the last two digits of your USDOT number. The last digit corresponds with what month the form needs to be filed in. January is 1, February is 2, March is 3, etc. The next to last digit determines the year (odd-numbered year or even numbered year). For example, DOT number 1234567 files their biennial update in July (7) of every even year (6). Contact us today to see if you’re due.

Does the Biennial Update cost money to file?

While you can file your Biennial Update yourself for no cost through FMCSA. The process can often be confusing and time-consuming. Our team can handle your filing for you, simplifying the process for you.

Do intrastate carriers need to file the update?

Yes, even if carriers stay within state lines, a biennial update is still needed for their USDOT number.

What happens if I miss my filing deadline?

  • Failure to complete biennial update to FMCSA can be subject to fines with a maximum penalty of $10,000. If your update is past due, you can still file it to restore your compliance status. Contact us today to file your form! https://dotcompliancegroup.com/bu-update/ 

What are the new FMCSA rules in 2025?

  1. Civil Penalty Amount Increases
  2. Drug & Alcohol Clearinghouse Becomes Exclusive Source for checking driver history.
  3. ELD Technology Required
  4. SMS (Safety Measurement System) Modernization
  5. Crash Preventability Determination Program Expanded

When do the 2025 FMCSA regulations take effect?

The confirmed dates these regulations take effect is May 30, June 23, October 1, 2025.

How can trucking companies prepare for these changes?

Regularly reviewing your Safety Measurement System (SMS) scores and maintaining personal checklists for inspections, driver qualification files, and drug and alcohol testing helps catch issues before they affect audits. Partnering with DOT Compliance Group streamlines filings, reporting, and ongoing monitoring, taking the guesswork out of FMCSA regulations and keeping your operation audit-ready year-round.

What Triggers a DOT Compliance Review?

A DOT compliance review is triggered when FMCSA wants to ensure a carrier is following safety regulations. Common triggers include high SMS safety scores, a history of crashes or violations, and previous noncompliance. Staying proactive with accurate records, driver files, and regular internal audits helps reduce the likelihood of a review.

Where can I get help with FMCSA filings?

DOT Compliance Group can assist with any help or questions you may have about FMCSA filings. Call 972-476-9962.

How long are violations kept on record?

According to the Clearinghouse rules, drug and alcohol violations remain in the FMCSA Clearinghouse for five years, provided all requirements (such as completing the return‑to‑duty process) have been met before that period ends.

What if an employer makes a mistake in reporting?

In practice, correcting an employer reporting error typically involves identifying the mistake in the database and then submitting a request for correction through the Clearinghouse portal or FMCSA procedures, so the record reflects accurate information. 

What are the penalties for non-compliance?

FMCSA rules allow civil penalties for non‑compliance, and separate authorities note that employers who fail to meet Clearinghouse requirements may face civil fines or criminal penalties under federal regulations.

Do trucking companies check the Clearinghouse?

Yes — trucking companies check the Clearinghouse as part of their hiring and compliance process. The FMCSA Clearinghouse is designed so employers can search a driver’s drug and alcohol violation records before permitting them to operate a commercial vehicle. Employers are required to conduct these queries for both prospective and current drivers as part of compliance.

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