Site Feedback

Title 49

Displaying title 49, up to date as of 8/13/2026. 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 XIITransportation Security Administration, Department of Homeland Security1500 – 1699
Subchapter DMaritime and Surface Transportation Security1570 – 1699
Part 1572Credentialing and Security Threat Assessments1572.1 – 1572.501
Subpart AProcedures and General Standards1572.1 – 1572.40
Subpart BStandards for Security Threat Assessments1572.101 – 1572.139
§ 1572.101Scope.
§ 1572.103Disqualifying criminal offenses.
§ 1572.105Immigration status.
§ 1572.107Other analyses.
§ 1572.109Mental capacity.
§§ 1572.111-1572.139 [Reserved]
Subpart CTransportation of Hazardous Materials From Canada or Mexico To and Within the United States by Land Modes1572.201 – 1572.203
§ 1572.201Transportation of hazardous materials via commercial motor vehicle from Canada or Mexico to and within the United States.
§ 1572.203Transportation of explosives from Canada to the United States via railroad carrier.
Subpart D [Reserved]
Subpart EFees for Security Threat Assessments for Hazmat Drivers1572.400 – 1572.405
§ 1572.400Scope and definitions.
§ 1572.401Fee collection options.
§ 1572.403Procedures for collection by States.
§ 1572.405Procedures for collection by TSA.
Subpart FFees for Security Threat Assessments for Transportation Worker Identification Credential (TWIC)1572.500 – 1572.501
§ 1572.500Scope.
§ 1572.501Fee collection.