Chapter 20 - EXECUTIVE BRANCH
- Subchapter - EXECUTIVE DEPARTMENTS (§§ 5/1-1 — 65/999-999)
- Subchapter - DEPARTMENT ON AGING (§§ 105/1 — 110/110-5)
- Subchapter - DEPARTMENT OF AGRICULTURE (§§ 205/205-1 — 235/99)
- Subchapter - DEPARTMENT OF HUMAN SERVICES (FORMERLY ALCOHOLISM AND SUBSTANCE ABUSE) (§§ 301/1-1 — 310/310-5)
- Subchapter - DEPARTMENT OF CENTRAL MANAGEMENT SERVICES (§§ 405/405-1 — 450/99)
- Subchapter - DEPARTMENT OF CHILDREN AND FAMILY SERVICES (§§ 505/1 — 545/15)
- Article - DEPARTMENT OF COMMERCE AND ECONOMIC OPPORTUNITY (§§ 605/605-1 — 750/25)
- Subchapter - DEPARTMENT OF NATURAL RESOURCES (FORMERLY CONSERVATION) (§§ 801/1-1 — 896/99)
- Subchapter - DEPARTMENT OF EMPLOYMENT SECURITY (§§ 1005/1005-1 — 1020/99)
- Subchapter - VARIOUS DEPARTMENTS (FORMERLY ENERGY AND NATURAL RESOURCES) (§§ 1105/1 — 1135/8)
- Subchapter - DEPARTMENT OF FINANCIAL AND PROFESSIONAL REGULATION (FORMERLY FINANCIAL INSTITUTIONS) (§§ 1205/1 — 1205/18.1)
- Subchapter - DEPARTMENT OF HUMAN SERVICES (§§ 1305/1-1 — 1345/10)
- Subchapter - DEPARTMENT OF INNOVATION AND TECHNOLOGY (§§ 1370/1-1 — 1375/99-99)
- Subchapter - DEPARTMENT OF INSURANCE (§§ 1405/56.3 — 1410/999)
- Subchapter - DEPARTMENT OF LABOR (§§ 1505/1505-1 — 1510/65)
- Subchapter - DEPARTMENT OF THE LOTTERY (§§ 1605/1 — 1605/29)
- Subchapter - DEPARTMENT OF HUMAN SERVICES (WAS MENTAL HEALTH AND DEVELOPMENTAL DISABILITIES) (§§ 1705/0.01 — 1710/1710-125)
- Subchapter - DEPARTMENT OF MILITARY AFFAIRS (§§ 1805/1.01 — 1825/5)
- Subchapter - DEPARTMENT OF NATURAL RESOURCES (FORMERLY MINES AND MINERALS) (§§ 1905/1905-1 — 1920/3.08)
- Subchapter - DEPARTMENT OF NUCLEAR SAFETY (§§ 2005/2005-1 — 2005/2005-85)
- Subchapter - DEPARTMENT OF FINANCIAL AND PROFESSIONAL REGULATION (FORMERLY PROFESSIONAL REGULATION) (§§ 2105/2105-1 — 2105/2105-405)
- Subchapter - DEPARTMENT OF HEALTHCARE AND FAMILY SERVICES (FORMERLY PUBLIC AID) (§§ 2205/2205-1 — 2230/99-99)
- Subchapter - DEPARTMENT OF PUBLIC HEALTH (§§ 2305/1.1 — 2335/99)
- Subchapter - DEPARTMENT OF HUMAN SERVICES (FORMERLY REHABILITATION SERVICES) (§§ 2405/0.01 — 2435/300)
- Subchapter - DEPARTMENT OF REVENUE (§§ 2505/2505-1 — 2530/99)
- Subchapter - ILLINOIS STATE POLICE (§§ 2605/2605-1 — 2645/15)
- Subchapter - DEPARTMENT OF TRANSPORTATION (§§ 2705/2705-1 — 2725/99)
- Subchapter - DEPARTMENT OF VETERANS' AFFAIRS (§§ 2805/0.01 — 2805/39)
- Subchapter - STATE FIRE MARSHAL (§§ 2905/0.01 — 2910/1)
- Subchapter - GOVERNOR'S OFFICE OF MANAGEMENT AND BUDGET (§§ 3005/0.01 — 3020/9999)
- Subchapter - CAPITAL DEVELOPMENT BOARD (§§ 3105/1 — 3135/999-99)
- Subchapter - DEPARTMENT OF FINANCIAL AND PROFESSIONAL REGULATION (FORMERLY OFFICE OF BANKS AND REAL ESTATE) (§§ 3205/0.1 — 3210/8)
- Subchapter - EMERGENCY MANAGEMENT AGENCY (§§ 3305/1 — 3310/999)
- Subchapter - HISTORIC PRESERVATION (§§ 3405/1 — 3440/16.3)
- Subchapter - ABRAHAM LINCOLN PRESIDENTIAL LIBRARY AND MUSEUM (§§ 3475/1 — 3475/900)
- Subchapter - ILLINOIS FINANCE AUTHORITY (FORMERLY ILLINOIS DEVELOPMENT FINANCE AUTHORITY) (§§ 3501/801-1 — 3705/1)
- Subchapter - ILLINOIS HOUSING DEVELOPMENT AUTHORITY (§§ 3805/1 — 3807/99)
- Subchapter - ILLINOIS INVESTMENT AND DEVELOPMENT AUTHORITY (§§ 3820/1 — 3850/1-1)
- Subchapter - ILLINOIS POWER AGENCY (§§ 3855/1-1 — 3855/99-99)
- Subchapter - ILLINOIS HEALTH INFORMATION EXCHANGE AUTHORITY (§§ 3860/1 — 3903/99)
- Subchapter - BOARDS AND COMMISSIONS (§§ 3905/1001 — 5180/999-99)