Illinois Department of Employment Security (IDES)
Provides information on unemployment for employers or individuals, the WARN Act (dealing with plant closings and mass layoffs), new hire reporting, paperless tax filing options, stats on the Illinois economy, employee leasing, tax credit programs and labor market information. You can also download forms and posters and find out about other IDES programs.
Illinois Department of Labor (IDOL)
The Department enforces labor laws which regulate wages, hours of work, and working conditions for all Illinois workers (organized and unorganized), resolves employee—employer disputes, and enforces occupational safety and health standards which protect public sector employees. FLSA, VESSA, WARN, The Illinois One Day Rest in Seven Act, The Illinois School Visitation Rights Act, The Illinois Whistleblowers Act, The Illinois Health & Safety Act, Exempt status, etc. A list of their forms is here.
Illinois State Disbursement Unit for Child Support Payments
Offers several options for locating and posting information regarding the remittance of child support wage deductions issued by courts within the state of Illinois.
Illinois Workers' Compensation Commission
Illinois law requires employers to provide workers' compensation insurance for almost everyone who is hired, injured, or whose employment is localized in Illinois. Sole proprietors, business partners, corporate officers, and members of limited liability companies may exempt themselves. Overall, it is estimated that 91% of Illinois employees are covered under the Act.