Volume | Chapter | Parts | Regulatory Entity |
1 | I | 1–630 | Office of Personnel Management |
2 | | 700–1199 | Office of Personnel Management |
3 | II | 1200–1299 | Merit Systems Protection Board |
| III | 1300–1399 | Office of Management and Budget |
| V | 1500–1599 | The International Organizations Employees Loyalty Board |
| VI | 1600–1699 | Federal Retirement Thrift Investment Board |
| VIII | 1800–1899 | Office of Special Counsel |
| IX | 1900–1999 | Appalachian Regional Commission |
| XI | 2100–2199 | Armed Forces Retirement Home |
| XIV | 2400–2499 | Federal Labor Relations Authority, General Counsel of the Federal Labor Relations Authority and Federal Service Impasses Panel |
| XV | 2500–2599 | Office of Administration, Executive Office of the President |
| XVI | 2600–2699 | Office of Government Ethics |
| XXI | 3100–3199 | Department of the Treasury |
| XXII | 3200–3299 | Federal Deposit Insurance Corporation |
| XXIII | 3300–3399 | Department of Energy |
| XXIV | 3400–3499 | Federal Energy Regulatory Commission |
| XXV | 3500–3599 | Department of the Interior |
| XXVI | 3600–3699 | Department of Defense |
| XXVIII | 3800–3899 | Department of Justice |
| XXIX | 3900–3999 | Federal Communications Commission |
| XXX | 4000–4099 | Farm Credit System Insurance Corporation |
| XXXI | 4100–4199 | Farm Credit Administration |
| XXXIII | 4300–4399 | Overseas Private Investment Corporation |
| XXXIV | 4400–4499 | Securities and Exchange Commission |
| XXXV | 4500–4599 | Office of Personnel Management |
| XXXVII | 4700–4799 | Federal Election Commission |
| XL | 5000–5099 | Interstate Commerce Commission |
| XLI | 5100–5199 | Commodity Futures Trading Commission |
| XLII | 5200–5299 | Department of Labor |
| XLIII | 5300–5399 | National Science Foundation |
| XLV | 5500–5599 | Department of Health and Human Services |
| XLVI | 5600–5699 | Postal Rate Commission |
| XLVII | 5700–5799 | Federal Trade Commission |
| XLVIII | 5800–5899 | Nuclear Regulatory Commission |
| XLIX | 5900–5999 | Federal Labor Relations Authority |
| L | 6000–6099 | Department of Transportation |
| LII | 6200–6299 | Export-Import Bank of the United States |
| LIII | 6300–6399 | Department of Education |
| LIV | 6400–6499 | Environmental Protection Agency |
| LV | 6500–6599 | National Endowment for the Arts |
| LVI | 6600–6699 | National Endowment for the Humanities |
| LVII | 6700–6799 | General Services Administration |
| LVIII | 6800–6899 | Board of Governors of the Federal Reserve System |
| LIX | 6900–6999 | National Aeronautics and Space Administration |
| LX | 7000–7099 | United States Postal Service |
| LXI | 7100–7199 | National Labor Relations Board |
| LXII | 7200–7299 | Equal Employment Opportunity Commission |
| LXIII | 7300–7399 | Inter-American Foundation |
| LXIV | 7400–7499 | Merit Systems Protection Board |
| LXV | 7500–7599 | Department of Housing and Urban Development |
| LXVI | 7600–7699 | National Archives and Records Administration |
| LXVII | 7700–7799 | Institute of Museum and Library Services |
| LXVIII | 7800–7899 | Commission on Civil Rights |
| LXIX | 7900–7999 | Tennessee Valley Authority |
| LXX | 8000–8099 | Court Services and Offender Supervision Agency for the District of Columbia |
| LXXI | 8100–8199 | Consumer Product Safety Commission |
| LXXIII | 8300–8399 | Department of Agriculture |
| LXXIV | 8400–8499 | Federal Mine Safety and Health Review Commission |
| LXXVI | 8600–8699 | Federal Retirement Thrift Investment Board |
| LXXVII | 8700–8799 | Office of Management and Budget |
| LXXX | 9000–9099 | Federal Housing Finance Agency |
| LXXXII | 9200–9299 | Special Inspector General for Iraq Reconstruction |
| LXXXIII | 9300–9399 | Special Inspector General for Afghanistan Reconstruction |
| LXXXIV | 9400–9499 | Bureau of Consumer Financial Protection |
| LXXXVI | 9600–9699 | National Credit Union Administration |
| XCVII | 9700–9799 | Department of Homeland Security Human Resources Management System (Department of Homeland –Office of Personnel Management) |
| LCVII | 9800–9899 | Council of the Inspectors General on Integrity and Efficiency |