Drug & Alcohol Clearinghouse


For those of in the community who either work as or employ CDL drivers, it is important to review the requirements for your drug and alcohol testing program and to register for the Drug & Alcohol Clearinghouse. This will help increase the safety of our roads and industry and adhere to FMCSA guidelines. By increasing communication and transparency, the clearinghouse will help flag those who have had a drug or alcohol violation.  It will make that information available to various parties including current & potential employers.

To stay in compliance and help support their efforts, CDL employers must:

  • Register. Everyone who employs a CDL driver must register, including those without a DOT number.

Those holding CDL licenses should do the following:

  • Register with the clearinghouse in order to authorize queries by employer.

There are many resources available to employers and drivers to help walk you through the process. You can find them on the FMCS website and through your insurance provider.  Below are some quick guides that will help get you started.

Register on the FMCSA general Drug & Alcohol site.

Step by step registration instructions for employers with DOT numbers.

Step by step registration instructions for employers without DOT numbers.

Step by step guide for driver registration.

Fact Sheet on general program information.

Clearinghouse Frequently Asked Questions

Watch a brief excerpt provided for master loggers by Darlene Mcdonald of Safety on Site that gives an overview of the clearinghouse and owner requirements here.