Illinois Tax Forms

Individual Income Tax Forms

Form IL-1040 Individual Income Tax Return

Form IL-1040-X Amended Individual Income Tax Return

Corporate Income Tax Forms

Form IL-1120 Corporation Income and Replacement Tax Return

Form IL-1120-X Amended Corporation Income and Replacement Tax Return

Sales Tax Forms

Form PST-1-X Amended Prepaid Sales Tax Return

Form ST-1-X Amended Sales and Use Tax and E911 Surcharge Return

Form ST-44 Use Tax Return

Form PST-1 Prepaid Sales Tax Return

Property Tax Forms

Form PTAX-203 NR Real Estate Transfer Tax Payment Document

Form IL-1040 Individual Income Tax Return

Form Schedule F Gains from Sales or Exchanges of Property