Each employer shall test each employee who performs a safety-sensitive function for evidence of a prohibited drug during each test required by § 120.109.
[84 FR 16773, Apr. 23, 2019]
ACE rules page: Part 120 in plain English
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14 CFR · PART 120
§ 120.107 Substances for which testing must be conducted.
Official text · Current as of Oct 19, 2026 · from eCFR
Not legal advice. This is the official text as published in the eCFR, which is updated daily but is not the legal edition. For legal purposes, use the annual Code of Federal Regulations or ask an aviation attorney.