CHAPTER XII—TRANSPORTATION SECURITY ADMINISTRATION, DEPARTMENT OF HOMELAND SECURITY (Parts 1500–1580)
- SUBCHAPTER A—ADMINISTRATIVE AND PROCEDURAL RULES (Parts 1500–1515)
- SUBCHAPTER B—SECURITY RULES FOR ALL MODES OF TRANSPORTATION (Parts 1520–1522)
- SUBCHAPTER C—CIVIL AVIATION SECURITY (Parts 1540–1562)
- SUBCHAPTER D—MARITIME AND LAND TRANSPORTATION SECURITY (Parts 1570–1580)