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Employers, drivers must meet federal DOT drug testing guidelines

Wisconsin Drug Testing Consortium helps employers fulfill DOT requirements

Federal DOT drug testing guidelines include procedures for testing, frequency of testing, and substances tested for individuals subject to the commercial driver’s license (CDL) requirements. Employers and owner-operators often contract with a Certified Third Party Administrator (C-TPA) such as Wisconsin Drug Testing Consortium (WDTC) for affordable drug testing that fulfills federal DOT drug testing guidelines.

The CDL holder is responsible for obeying all rules and regulations when it comes to adherence to federal DOT drug testing guidelines. However, the employer is responsible for providing drivers with information on drug and alcohol testing programs, as well as implementing and conducting testing programs.

WDTC offers services that include managing all or part of our customers’ drug and alcohol testing program, including maintenance of testing records. The Federal Motor Carrier Safety Administration (FMCSA) website features helpful information to help you understand how federal DOT drug testing guidelines affect you.

Reporting to the FMCSA Clearinghouse is a new requirement

The FMCSA Clearinghouse that went live on January 6, 2020, requires employers, medical review officers, and C-TPAs such as WDTC to report violations of the federal DOT drug testing guidelines. These groups also are required to report information about drivers who are going through return-to-duty drug and/or alcohol rehabilitation.

The Clearinghouse also includes information about drivers who refuse consent to testing. They are not allowed to perform safety-sensitive functions such as driving a commercial motor vehicle (CMV).

In addition, employers must query the Clearinghouse for pre-employment screening or annual verification that a driver did not violate federal DOT drug testing guidelines with another employer.

About Wisconsin Drug Testing Consortium

Wisconsin Drug Testing Consortium is an accredited, Certified Third Party Administrator (C-TPA), and specializes in consortium management; a variety of drug testing methods, including urine, hair and fingernails; post-accident testing; pre-employment drug tests; criminal background checks; supervisor training programs to keep employees compliant with DOT regulations; pre-employment DOT physicals; and paternity DNA testing. Headquartered in Green Bay, WDTC also has offices in Oshkosh, Appleton, and Fond du Lac, Wisconsin. Call 888-784-8842 or visit for more information.