Tap any paragraph to write a margin note. Your notes collect in the Desk below the text and file under cases with @. The side-by-side margin rail opens on a larger screen.

Code · CFR · Title 14 — Aeronautics and Space · Part 120 — Drug and Alcohol Testing Program · § 120.103

§ 120.103. General.

219 words·~1 min read·/us/cfr/t14/s§ 120.103·

A research copy — for the controlling text, always check the official state or federal source. Not legal advice.

(a)Purpose. The purpose of this subpart is to establish a program designed to help prevent accidents and injuries resulting from the use of prohibited drugs by employees who perform safety-sensitive functions.
(b)DOT procedures.
(1)Each employer shall ensure that drug testing programs conducted pursuant to 14 CFR parts 65, 91, 121, and 135 comply with the requirements of this subpart and the “Procedures for Transportation Workplace Drug Testing Programs” published by the Department of Transportation
(DOT)(49 CFR part 40).
(2)An employer may not use or contract with any drug testing laboratory that is not certified by the Department of Health and Human Services
(HHS)under the National Laboratory Certification Program.
(c)Employer responsibility. As an employer, you are responsible for all actions of your officials, representatives, and service agents in carrying out the requirements of this subpart and 49 CFR part 40.
(d)Applicable Federal regulations. The following applicable regulations appear in 49 CFR or 14 CFR:
(1)49 CFR part 40—Procedures for Transportation Workplace Drug Testing Programs.
(2)14 CFR:
(i)§ 67.107—First-Class Airman Medical Certificate, Mental.
(ii)§ 67.207—Second-Class Airman Medical Certificate, Mental.
(iii)§ 67.307—Third-Class Airman Medical Certificate, Mental.
(iv)§ 91.147—Passenger carrying flight for compensation or hire.
(v)§ 135.1—Applicability.
(e)[RESERVED]. [Amendment No. 120-4, 90 FR 59376, Dec. 19, 2025]
Connections2 cite this
Cited by 2 sections · top 1
1 reference not yet in our index
  • 49 CFR 40
Citation graph
cites case law
§ 120.103
General.
Fed. Reg.×2
Cite49 CFR 40
Cites 1Cited by 2 across 1 source
★   the supreme law of the land   ★
Don't Tread on Me
E Pluribus Unum — out of many, one

"If you don't know your rights, you don't have any."

Marginalia · a citizen's law index
A research desk, not legal advice. Always read the cited source before relying on a summary.
Questions or an issue? support@self-law.org
disclaimerMarginalia is a research index, not a law firm. Nothing on this site is legal, tax, or financial advice and no attorney–client relationship is formed by using it. Statutes, regulations, and case law change; summaries, search results, AI output, and member posts may be incomplete, out of date, or wrong. Any interpretation drawn from material on this site should be validated by a licensed attorney in your jurisdiction before you act on it.