Site Feedback

Title 49

Displaying title 49, up to date as of 8/10/2026. Title 49 was last amended 8/07/2026.
eCFR Content

The Code of Federal Regulations (CFR) is the official legal print publication containing the codification of the general and permanent rules published in the Federal Register by the departments and agencies of the Federal Government. The Electronic Code of Federal Regulations (eCFR) is a continuously updated online version of the CFR. It is not an official legal edition of the CFR.

Learn more about the eCFR, its status, and the editorial process.

Title 49TransportationPart / Section
Subtitle BOther Regulations Relating to Transportation100 – 1699
Chapter IPipeline and Hazardous Materials Safety Administration, Department of Transportation100 – 199
Subchapter DPipeline Safety186 – 199
Part 199Drug and Alcohol Testing199.1 – 199.245
Subpart AGeneral199.1 – 199.9
§ 199.1Scope.
§ 199.2Applicability.
§ 199.3Definitions.
§ 199.5DOT procedures.
§ 199.7Stand-down waivers.
§ 199.9Preemption of State and local laws.
Subpart BDrug Testing199.100 – 199.119
§ 199.100Purpose.
§ 199.101Anti-drug plan.
§ 199.103Use of persons who fail or refuse a drug test.
§ 199.105Drug tests required.
§ 199.107Drug testing laboratory.
§ 199.109Review of drug testing results.
§ 199.111 [Reserved]
§ 199.113Employee assistance program.
§ 199.115Contractor employees.
§ 199.117Recordkeeping.
§ 199.119Reporting of anti-drug testing results.
Subpart CAlcohol Misuse Prevention Program199.200 – 199.245