Mandatory use of the Clearinghouse will begin on January 6, 2020.

FMCSA has created this Learning Center to help you prepare for January 6, 2020, when the Clearinghouse is fully operational and mandatory use begins.

Review the resources below and sign up to receive email updates when new resources are added.

Read the Clearinghouse Frequently Asked Questions

Browse by categories, filter by user type, or use the search box to find the information you need. Visit the FAQs page.

News and Events

Get the latest news and from FMCSA about the Drug and Alcohol Clearinghouse
Query Plans Now Available for Purchase
  • November 4, 2019
  • Employers, Owner-Operators, C/TPAs

Employers of CDL drivers can now purchase a query plan. Purchasing a query plan enables employers, and their designated consortia/third-party administrators (C/TPAs), to query the Clearinghouse for information on potential and currently employed drivers. All queries require driver consent.

Query plans may be purchased only on the FMCSA Clearinghouse website by registered employers. Visit to learn more. C/TPAs may not purchase query plans on behalf of an employer.

Clearinghouse Registration: Instructional Job Aids Available
  • November 11, 2019
  • All Users

Authorized users can register in the Clearinghouse.

Instructional job aids are available for:

Employers, C/TPAs, MROs, and SAPs can also invite users to complete required actions in the Clearinghouse on their behalf. These users would register as Clearinghouse Assistants.

Employers: Do you have an FMCSA Portal account? Follow these instructions to make sure you have the correct Clearinghouse Portal user role before you register.

Need more information about the Clearinghouse?

If you cannot find the answer to your question in the FAQs you can contact FMCSA.