49 CFR § 655.47 - Follow-up testing after returning to duty.
§ 655.47 Follow-up testing after returning to duty.
An employer shall conduct follow-up testing of each employee who returns to duty, as specified in 49 CFR Part 40, subpart O.
An employer shall conduct follow-up testing of each employee who returns to duty, as specified in 49 CFR Part 40, subpart O.