On August 8, 2016 (81 FR 52364), the U.S. Department of Transportation (DOT) published a final rule in the federal register to revise the definition of “service agent” in 49 CFR 40.3 to include all entities that provide services for DOT mandated drug and alcohol programs. This final rule is effective on August 8, 2016. Click on the link below to download the full version: DOT 08-08-2016 FR service agent role change