DOT Testing Records

DISA’s DOT testing records service helps employers meet compliance by retrieving drug and alcohol test histories for safety-sensitive roles—ensuring safe, qualified hires.

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DOT Required Previous Testing Records

  • Safety-sensitive positions often have specific background check requirements depending on the industry. 
  • DOT testing history applies to those in safety-sensitive positions who are under DOT regulations.
  • Employers are required to obtain drug and alcohol test history information to meet compliance standards and regulations.
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DOT Testing History Requirements

When an applicant seeks a safety-sensitive position, they will be asked to consent to allow the new employer to obtain their drug and alcohol testing records. The process is as follows:

  • Obtain written consent from applicants to release their drug and alcohol test records (if the employee does not consent, they cannot be hired for a safety-sensitive position)
  • Obtain records from each previous employer within the last three years
  • Employees can begin working for up to 30 days while their records process
  • (If records exceed the 30-day period, the employee can continue to work as long as the employer documents a good faith effort to obtain the records)
Depending on the transportation agency, the requirements differ:
FMCSA Must obtain records for 3 years
PHMSA Must obtain records for 2 years
USCG Must obtain records for 2 years
FAA Must obtain records for 2 or 5 years depending on job function
FRA Must obtain records for 2 years
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What DOT Testing History Records Include

Employers must follow DOT regulations when requesting drug and alcohol testing history, so records must include:

  • Alcohol tests with a result of 0.04 or higher
  • Verified failed drug tests
  • Refusals to test (including verified adulterated or substituted drug tests)
  • If the applicant has been denied safety-sensitive positions in the past two years
  • Documentation of DOT return-to-duty requirements, including follow-up tests (if applicable)
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What is the expected of the former employer?

Under the DOT Rule 49 CFR Part 40, when a former employer receives an inquiry requesting DOT drug and alcohol testing history, they are required to do the following:

  • Must provide all information in his/her possession concerning the employee’s DOT drug and alcohol tests that occurred within the two years preceding the inquiry
  • This can include information they received about an employee from a former employer
  • An employer can provide information about an employee’s DOT drug and alcohol tests that date back more than two years ago without being in violation of agency rules.
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DISA's Process

DISA will contact the previous employer once acquiring a release before beginning the investigation. Information provided through our search may include:

  • Dates of employment
  • Alcohol tests with a result of 0.04 or higher
  • Verified positive drug tests
  • Refusals to test
  • Other violations of DOT agency drug and alcohol testing regulations
  • Information obtained from previous employers of a drug and alcohol rule violation
  • Documentation, if any, of completion of the return-to-duty process following a rule violation
  • If Commercial Motor Vehicle (CMV) was driven and what type
  • Reason employee left the company
  • Accident information (date, location, # of injuries/fatalities)
  • Hazardous spill information

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