---
kind: "section"
citation: "49 C.F.R. § 655.47"
title: "49"
number: "655.47"
heading: "Follow-up testing after returning to duty."
url: "https://uscodex.org/cfr/49/655.47"
---

# §655.47. Follow-up testing after returning to duty.


An covered employer shall conduct follow-up testing of each employee who returns to duty, as specified in [49 CFR Part 40](/cfr/49/part40.md), subpart O.


## Notes

### Amendments

[66 FR 42002, Aug. 9, 2001, as amended at 88 FR 27653, May 2, 2023]

### Authority

Authority: 49 U.S.C. 5331 (as amended); 49 CFR 1.91

### Source

Source: 66 FR 42002, Aug. 9, 2001, unless otherwise noted.

### Amendments

[66 FR 42002, Aug. 9, 2001, as amended at 88 FR 27653, May 2, 2023]