On Saturday, January 10, 2026, from 12 a.m. until 12 p.m. Eastern Time, Clearinghouse users will not be able verify driver CDL information due to scheduled maintenance on the Commercial Driver Licensing Information System (CDLIS) Gateway. In addition, users will not be able to access the Drug and Alcohol Clearinghouse on Saturday, January 10, 2026, from 12 p.m. until 4 p.m. Eastern Time due to system updates related to the CDLIS Gateway.

If this scheduled maintenance prevents an employer from conducting required pre-employment queries, the employer may hire a driver using solely the procedures set forth in 49 CFR 391.23(e), as outlined in the frequently asked questions.
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United States Department of Transportation
FMCSA - Federal Motor Carrier Safety Adminstration

Drug & Alcohol Clearinghouse

Register for Live Q&A Sessions with FMCSA

CLEARINGHOUSE Q&A SESSIONS WITH FMCSA

Register for the Session for Your Role

FMCSA will host live informational webinars to help users understand the requirements of the Clearinghouse. The presentations will walk through Clearinghouse features and will include time for questions.

Select the session most relevant to you and register using the links below. Because space is limited, we request that you register for only one session. A recording of the webinars will be available to all users at a later date.

Clearinghouse for Substance Abuse Professionals and Medical Review Officers

Thursday, December 5, 2019, 10:00-11:30 am ET Wednesday, January 22, 2020, 9:30-11:00 am ET

Clearinghouse for Employers, Consortia/Third-Party Administrators, and CDL Drivers

Thursday, December 10, 2019, 11:00 am-12:30 pm ET Wednesday, January 23, 2020, 1:30-3:00 pm ET

Visit the Learning Center

Before participating in the webinar, please visit the new Clearinghouse Learning Center. You will find resources and answers to common questions to help you get ready to use the Clearinghouse.

Visit the Learning Center →

Email sent: 11/18/2019