Act - PURCHASES AND CONTRACTS
- Act 500 - ILLINOIS PROCUREMENT CODE (§§ 500/1-1 — 500/99-5)
- Act 503 - SMALL BUSINESS CONTRACTS ACT (§§ 503/1 — 503/99)
- Act 505 - ILLINOIS PURCHASING ACT (REPEALED BY P.A. 90-572)
- Act 510 - STATE PAPER PURCHASING ACT (REPEALED BY P.A. 90-572)
- Act 515 - STATE PRINTING CONTRACTS ACT (REPEALED BY P.A. 90-572)
- Act 517 - PROCUREMENT OF DOMESTIC PRODUCTS ACT (§§ 517/1 — 517/90)
- Act 520 - PUBLIC PURCHASES IN OTHER STATES ACT (§§ 520/0.01 — 520/3)
- Act 525 - GOVERNMENTAL JOINT PURCHASING ACT (§§ 525/0.01 — 525/6)
- Act 530 - TRANSPORTATION SUSTAINABILITY PROCUREMENT PROGRAM ACT (§§ 530/1 — 530/99)
- Act 532 - GOVERNMENT ZERO-EMISSION VEHICLE ACT (§§ 532/1 — 532/10)
- Act 535 - ARCHITECTURAL, ENGINEERING, AND LAND SURVEYING QUALIFICATIONS BASED SELECTION ACT (§§ 535/1 — 535/80)
- Act 537 - DESIGN-BUILD PROCUREMENT ACT (§§ 537/1 — 537/99)
- Act 540 - STATE PROMPT PAYMENT ACT (§§ 540/0.01 — 540/11)
- Act 545 - PUBLIC CONTRACT FRAUD ACT (§§ 545/0.01 — 545/4)
- Act 550 - PUBLIC CONSTRUCTION BOND ACT (§§ 550/0.01 — 550/3)
- Act 555 - ILLINOIS MINED COAL ACT (§§ 555/0.01 — 555/4)
- Act 557 - PUBLIC CONSTRUCTION CONTRACT ACT (§§ 557/1 — 557/99)
- Act 558 - PUBLIC-PRIVATE PARTNERSHIP FOR CIVIC AND TRANSIT INFRASTRUCTURE PROJECT ACT (§§ 558/5-5 — 558/99-99)
- Act 559 - ILLINOIS WORKS JOBS PROGRAM ACT (§§ 559/15-5 — 559/99-99)
- Act 560 - PUBLIC WORKS PREFERENCE ACT (§§ 560/0.01 — 560/7)
- Act 561 - AIRPORT AND CORRECTIONAL FACILITY LAND DISCLOSURE ACT (§§ 561/1 — 561/99)
- Act 562 - STATE REAL PROPERTY LEASING ACT (§§ 562/1 — 562/99)
- Act 563 - REAL ESTATE LEASING ACT (REPEALED BY P.A. 90-572)
- Act 565 - STEEL PRODUCTS PROCUREMENT ACT (§§ 565/1 — 565/7)
- Act 567 - STATE ENTITIES SINGLE-USE PLASTIC REPORTING ACT (§§ 567/1 — 567/999)
- Act 570 - EMPLOYMENT OF ILLINOIS WORKERS ON PUBLIC WORKS ACT (§§ 570/0.01 — 570/7.20)
- Act 571 - PROJECT LABOR AGREEMENTS ACT (§§ 571/1 — 571/99)
- Act 574 - COMMISSION ON EQUITY AND INCLUSION ACT (§§ 574/40-1 — 574/99-99)
- Act 575 - BUSINESS ENTERPRISE FOR MINORITIES, FEMALES, AND PERSONS WITH DISABILITIES ACT (§§ 575/0.01 — 575/9)
- Act 577 - STATE CONSTRUCTION MINORITY AND FEMALE BUILDING TRADES ACT (§§ 577/35-1 — 577/99-99)
- Act 580 - DRUG FREE WORKPLACE ACT (§§ 580/1 — 580/11)
- Act 582 - INTERNATIONAL ANTI-BOYCOTT CERTIFICATION ACT (§§ 582/1 — 582/99)
- Act 583 - STATE PROHIBITION OF GOODS FROM FORCED LABOR ACT (§§ 583/1 — 583/10)
- Act 584 - STATE PROHIBITION OF GOODS FROM CHILD LABOR ACT (§§ 584/1 — 584/99)
- Act 585 - DATA PROCESSING CONFIDENTIALITY ACT (§§ 585/0.01 — 585/2)
- Act 587 - INFORMATION TECHNOLOGY ACCESSIBILITY ACT (§§ 587/1 — 587/99)
- Act 590 - STATE AGENCY EMPLOYEES CHILD CARE SERVICES ACT (§§ 590/1 — 590/5)
- Act 595 - LOCAL FOOD, FARMS, AND JOBS ACT (§§ 595/1 — 595/99)
- Act 596 - SOCIAL SERVICES CONTRACT NOTICE ACT (§§ 596/1 — 596/99)