---
kind: "section"
citation: "14 C.F.R. § 120.33"
title: "14"
number: "120.33"
heading: "Use of prohibited drugs."
url: "https://uscodex.org/cfr/14/120.33"
---

# §120.33. Use of prohibited drugs.

- (a) This section applies to individuals who perform a function listed in subpart E of this part for a certificate holder or operator. For the purpose of this section, an individual who performs such a function pursuant to a contract with the certificate holder or the operator is considered to be performing that function for the certificate holder or the operator.
- (b) No certificate holder or operator may knowingly use any individual to perform, nor may any individual perform for a certificate holder or an operator, either directly or by contract, any function listed in subpart E of this part while that individual has a prohibited drug, as defined in this part, in his or her system.
- (c) No certificate holder or operator shall knowingly use any individual to perform, nor shall any individual perform for a certificate holder or operator, either directly or by contract, any safety-sensitive function if that individual has a verified positive drug test result on, or has refused to submit to, a drug test required by subpart E of this part and the individual has not met the requirements of that subpart for returning to the performance of safety-sensitive duties.

## Notes

### Amendments

[Docket FAA-2008-0937, 74 FR 22653, May 14, 2009; Amdt. 120-0A, 75 FR 3153, Jan. 20, 2010]

### Authority

Authority: 49 U.S.C. 106(f), 40101-40103, 40113, 40120, 41706, 41721, 44106, 44701, 44702, 44703, 44709, 44710, 44711, 45101-45105, 46105, 46306.

### Source

Source: Docket FAA-2008-0937, 74 FR 22653, May 14, 2009, unless otherwise noted.

### Amendments

[Docket FAA-2008-0937, 74 FR 22653, May 14, 2009; Amdt. 120-0A, 75 FR 3153, Jan. 20, 2010]