FMCSA has updated the Clearinghouse Learning Center with additional resources to help you use the Clearinghouse.

Resources for Employers, Including Owner-Operators

How to Designate Your C/TPA
Query History: Employers
How to Report RTD Information (Employers)

Resources for Consortium/Third-Party Administrators (C/TPAs)

Query History: C/TPAs
How to Report RTD Information (C/TPAs)

Resources for CDL Drivers

Submitting a Petition for Data Review
As a reminder, drivers are permitted to challenge only the accuracy of information in the Clearinghouse. This does not include challenging the accuracy of test results or refusals.

Visit the Clearinghouse Learning Center →

Read the Clearinghouse

Frequently Asked Questions

Have a question about the Clearinghouse? Search through the online FAQs or browse through topic categories to find the information you need. You can filter by user type to drill down your search, or read all FAQs.

Read the Clearinghouse FAQs →
  • Register in the Clearinghouse
  • Visit the Learning Center
  • Find answers to frequently asked questions
  • Registration Job Aids
  • How-to instructions on conducting queries and more
  • Overview video
Learn More →