Employers: Download the Revised Employer Handbook For the first time in ten years, DOT’s Office of Drug and Alcohol Policy and Compliance (ODAPC) updated their publication, What Employers Need to Know About DOT Drug and Alcohol Testing: Guidance and Best Practices . Here are some of the more substantive changes that DOT made to their handbook for employers: Supervisors and service agents should know the difference between DOT and non-DOT testing forms. Owner-operators don’t n