Drivers often treat the return-to-duty test as the finish line. It is not. It is the point at which the follow-up testing plan starts, and that plan runs for at least a year — sometimes a good deal longer.
What the plan is
When a substance abuse professional determines you are eligible to return to duty, they also set a follow-up testing regimen. The federal minimum is six tests in the first twelve months after you return to safety-sensitive duty. A SAP may recommend testing continue for up to sixty months, and may also recommend a continuing-care regimen alongside it — aftercare, meeting with a sponsor, or attending meetings.
The tests are unannounced and they are in addition to any random testing pool you are already in. Being selected for a random test does not count toward your follow-up plan.
The plan follows you, not your employer
This is the part that catches people out when they change jobs. The follow-up testing plan attaches to the driver. Any employer who employs you during the prescribed period must carry out the remainder of the plan.
And here is the practical wrinkle: follow-up testing plans are not stored in the Clearinghouse. A new employer cannot look yours up. They have to obtain it directly from your previous employer. If you move on mid-plan, expect to be part of making that handoff happen, because a plan nobody can find is a plan that stalls.
Who reports what
The split trips up both drivers and employers:
- The SAP reports the date of the initial assessment and the date you were determined eligible for return-to-duty testing.
- The employer reports the negative return-to-duty test result and, later, the date you successfully completed the whole follow-up testing plan.
Your record is not fully resolved until that last item is reported. A violation is retained in the Clearinghouse for five years from the date of the violation determination, or until the follow-up testing plan is completed — whichever is later.
What this is actually for
It is easy to read follow-up testing as punishment. It is better understood as the structure that makes returning a driver to the road defensible. A driver who completes a plan has a documented year or more of negative tests behind them. That is what allows an employer to put them back in a truck, and it is what keeps the standard meaningful for everybody else on the road.
Our evaluation process page sets out where follow-up testing sits in the wider return-to-duty sequence.