Chapter I — Department of Homeland Security, Office of the Secretary
- Pt. 1-2 Parts 1-2 [reserved]
- Pt. 3 Petitions for Rulemaking §§3.1 to 3.9
- Pt. 4 Part 4 [reserved]
- Pt. 5 Disclosure of Records and Information §§5.1 to 5.49
- Pt. 7 Classified National Security Information §§7.1 to 7.32
- Pt. 9 Restrictions Upon Lobbying §§9.1 to 9.52
- Pt. 11 Claims §§11.1 to 11.15
- Pt. 13 Administrative Remedies for False Claims and Statements §§13.1 to 13.47
- Pt. 15 Enforcement of Nondiscrimination on the Basis of Disability in Programs or Activities Conducted by the Department of Homeland Security §§15.1 to 15.70
- Pt. 17 Nondiscrimination on the Basis of Sex in Education Programs or Activities Receiving Federal Financial Assistance §§17.100 to 17.635
- Pt. 19 Nondiscrimination in Matters Pertaining to Faith-Based Organizations §§19.1 to 19.12
- Pt. 21 Nondiscrimination on the Basis of Race, Color, or National Origin in Programs or Activities Receiving Federal Financial Assistance from the Department of Homeland Security §§21.1 to 21.21
- Pt. 25 Regulations to Support Anti-Terrorism by Fostering Effective Technologies §§25.1 to 25.10
- Pt. 27 Chemical Facility Anti-Terrorism Standards §§27.100 to 27.410
- Pt. 29 Protected Critical Infrastructure Information §§29.1 to 29.9
- Pt. 37 Real Id Driver's Licenses and Identification Cards §§37.1 to 37.71
- Pt. 46 Protection of Human Subjects §§46.101 to 46.124
- Pt. 115 Sexual Abuse and Assault Prevention Standards §§115.5 to 115.205
- Pt. 124 Counter-Unmanned Aircraft System Authority for State, Local, Tribal, and Territorial Law Enforcement and Correctional Agencies §§124.1 to 124.22
- Pt. 126 Transportation Security Oversight Board Review Panel Process and Procedures §§126.1 to 126.31
- Pt. 139 Conduct on Federal Property §§139.1 to 139.85
- Pt. 158 Cybersecurity Talent Management System (ctms) §§158.101 to 158.1003
- Pt. 159-199 Parts 159-199 [reserved]