---
kind: "section"
citation: "49 C.F.R. § 655.51"
title: "49"
number: "655.51"
heading: "Compliance with testing procedures requirements."
url: "https://uscodex.org/cfr/49/655.51"
---

# §655.51. Compliance with testing procedures requirements.


The drug and alcohol testing procedures in [49 CFR Part 40](/cfr/49/part40.md) apply to employers covered by this part, and must be read together with this part, unless expressly provided otherwise in this part.


## Notes

### Authority

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

### Source

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