Site Feedback

Title 49

Displaying title 49, up to date as of 6/16/2026. Title 49 was last amended 6/11/2026.
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 AAdministrative and Procedural Rules1500 – 1515
Part 1500Applicability, Terms, and Abbreviations1500.1 – 1500.5
Part 1502Organization, Functions, and Procedures1502.1
Part 1503Investigative and Enforcement Procedures1503.1 – 1503.801
Part 1507Privacy Act-Exemptions1507.1 – 1507.3
Part 1510Passenger Civil Aviation Security Service Fees1510.1 – 1510.21
Part 1511Aviation Security Infrastructure Fee1511.1 – 1511.15
Part 1515Appeal and Waiver Procedures for Security Threat Assessments for Individuals1515.1 – 1515.11
Subchapter BSecurity Rules for All Modes of Transportation1520
Part 1520Protection of Sensitive Security Information1520.1 – 1520.19
Subchapter CCivil Aviation Security1540 – 1562
Subchapter DMaritime and Surface Transportation Security1570 – 1699
Part 1570General Rules1570.1 – 1570.305
Part 1572Credentialing and Security Threat Assessments1572.1 – 1572.501
Part 1580Freight Rail Transportation Security1580.1 – 1580.207
Part 1581 [Reserved]
Part 1582Public Transportation and Passenger Railroad Security1582.1 – 1582.115
Part 1583 [Reserved]
Part 1584Highway and Motor Carrier Security1584.1 – 1584.115
Parts 1585-1699 [Reserved]