Illinois State Government Forms

Form Title	Agency	Topics
2025 Schedule 1299-I, Income Tax Credits Information and Worksheets	Income Tax Refund Status Inquiry
2025 Schedule 4255 Instructions	Income Tax Refund Status Inquiry
2025 Schedule 80/20 Instructions	Income Tax Refund Status Inquiry
2025 Schedule M Instructions (for businesses)	Income Tax Refund Status Inquiry
2025 Schedule NB Instructions	Income Tax Refund Status Inquiry
2025 Schedule NLD Instructions	Income Tax Refund Status Inquiry
2025 Schedule UB/INS Instructions	Income Tax Refund Status Inquiry
2025 Schedule UB Instructions	Income Tax Refund Status Inquiry
2025 Schedule UB/NLD Instructions	Income Tax Refund Status Inquiry
2025 Subgroup Schedule Instructions (UB)	Income Tax Refund Status Inquiry
2026 Form 1040-ES	Income Tax Refund Status Inquiry
2026 Form W-2	Income Tax Refund Status Inquiry
2026 Intrastate Cab Card Order Form for Household Goods Carriers	Household Goods Movers
202-CAAPP General Instructions for CAAPP Applications	Environmental Protection Agency
203-CAAPP Request to Operate with Excess Emissions during Startup of Equipment	Environmental Protection Agency
204-CAAPP Request to Continue to Operate during Malfunction or Breakdown	Environmental Protection Agency
209-CAAPP Request for CAAPP Forms	Environmental Protection Agency
215A-CAAPP Emission Unit which does not emit a hazardous air pollutant	Environmental Protection Agency
215-CAAPP Hazardous Air Pollutant Emission Summary	Environmental Protection Agency
220-CAAPP Process Emission Unit	Environmental Protection Agency