DOT Authority#

Refusal-To-Test Instructions

DOT Requires the DER (Designated Employer Representative) to make the Determination if a Driver has Refused-to-Test based on conversations with the Driver, the Collector and any Notes on the Custody & Control Form.  DOT Requires Employers to Remove Drivers from the Road Immediately, Give the Driver an SAP Referral and Report the Violation to the FMCSA Clearinghouse

  • This Includes Pre-Employment Testing
  • DOT's Definition of Refusal-To-Test (Page 25) - Click Here

SAP Referral (Substance Abuse Professional) 

  • How to find an SAP Referral - Click Here
  • Document the driver was given an SAP Referral, in the event of an Audit

Employers Report the Following Violations to the FMCSA Clearinghouse - Click Here

  • Refusal-to-Test (Drug) not Requiring a Determination by the MRO as specified in 49 CFR 40.191
  • Refusal-to-Test (Alcohol)
  • Positive Alcohol Results of .04 or Higher
  • Actual knowledge that a Driver has used Alcohol On-Duty, within 4 hours of coming On-Duty, used Alcohol prior to Post-Accident Testing or has used a Controlled Substance (Drugs)

Express Labs MRO Reports the Following Violations to the FMCSA Clearinghouse

  • Positive, Adulterated or Substituted Drug Test Results & Refusal-to-Test as specified in 49 CFR 40.191