Illinois tax forms
- IL-1000-E: Certificate of Exemption for Pass-through Withholding Payments
- IL-1040: Individual Income Tax Return
- IL-1040-ES: Estimated Income Tax Payments for Individuals
- IL-1040-V: Payment Voucher for Individual Income Tax
- IL-1040-X: Amended Individual Income Tax Return
- IL-1040-X-V: Payment Voucher for Amended Individual Income Tax
- IL-1041: Fiduciary Income and Replacement Tax Return
- IL-1041-V: Payment Voucher for Fiduciary Income and Replacement Tax
- IL-1041-X: Amended Fiduciary Income and Replacement Tax Return
- IL-1041-X-V: Payment Voucher for Amended Fiduciary Income and Replacement Tax
- IL-1065: Partnership Replacement Tax Return
- IL-1065-V: Payment Voucher for Partnership Replacement Tax
- IL-1065-X: Amended Partnership Replacement Tax Return
- IL-1065-X-V: Payment Voucher for Amended Partnership Replacement Tax
- IL-1120: Corporation Income and Replacement Tax Return
- IL-1120-ST: Small Business Corporation Replacement Tax Return
- IL-1120-ST-V: Payment Voucher for Small Business Corporation Replacement Tax
- IL-1120-ST-X: Amended Small Business Corporation Replacement Tax Return
- IL-1120-ST-X-V: Payment Voucher for Amended Small Business Corporation Replacement Tax
- IL-1120-V: Payment Voucher for Corporation Income and Replacement Tax
- IL-1120-X: Amended Corporation Income and Replacement Tax Return
- IL-1120-X-V: Payment Voucher for Amended Corporation Income and Replacement Tax
- IL-1310: Statement of Person Claiming Refund Due a Deceased Taxpayer
- IL-2210: Computation of Penalties for Individuals
- IL-2220: Computation of Penalties for Businesses
- IL-4562: Special Depreciation
- IL-4644: Gains from Sales of Employer’s Securities Received from a Qualified Employee Benefit Plan
- IL-477: Replacement Tax Investment Credits
- IL-4852: Substitute for Unobtainable Form W-2
- IL-505-I: Automatic Extension Payment for Individuals Filing Form IL-1040
- IL-56: Notice of Fiduciary Relationship
- IL-990-T: Exempt Organization Income and Replacement Tax Return
- IL-990-T-V: Payment Voucher for Exempt Organization Income and Replacement Tax
- IL-990-T-X: Amended Exempt Organization Income and Replacement Tax Return
- IL-990-T-X-V: Payment Voucher for Amended Exempt Organization Income and Replacement Tax
- Schedule 1299-A: Tax Subtractions and Credits (for partnerships and S corporations)
- Schedule 1299-B: River Edge Redevelopment Zone or Foreign Trade Zone (or sub-zone) Subtractions (for corporations and fiduciaries)
- Schedule 1299-C: Income Tax Subtractions and Credits (for individuals)
- Schedule 1299-D: Income Tax Credits (for corporations and fiduciaries)
- Schedule 1299-I: Income Tax Credits Information and Worksheets
- Schedule 4255: Recapture of Investment Tax Credits
- Schedule 80/20: Related-Party Expenses
- Schedule CR (IL-1040): Credit for Tax Paid to Other States
- Schedule CR (IL-1041): Credit for Tax Paid to Other States
- Schedule F (IL-1040): Gains from Sales or Exchanges of Property Acquired Before August 1, 1969
- Schedule F (IL-1041): Gains from Sales or Exchanges of Property Acquired Before August 1, 1969
- Schedule F (IL-1065): Gains from Sales or Exchanges of Property Acquired Before August 1, 1969
- Schedule F (IL-1120-ST): Gains from Sales or Exchanges of Property Acquired Before August 1, 1969
- Schedule G: Voluntary Charitable Donations
- Schedule ICR: Illinois Credits
- Schedule IL-E/EITC: Illinois Exemption and Earned Income Credit
- Schedule IL-WIT: Illinois Income Tax Withheld
- Schedule INL: Illinois Net Loss Adjustments for Cooperatives and REMIC Owners
- Schedule INS: Tax for Foreign Insurers
- Schedule J: Foreign Dividends
- Schedule K-1-P: Partner's or Shareholder's Share of Income, Deductions, Credits, and Recapture
- Schedule K-1-P(3): Pass-through Withholding Calculation for Nonresident Members
- Schedule K-1-P(4): Investment Partnership Withholding Calculation for Nonresident Partners
- Schedule K-1-T: Beneficiary's Share of Income and Deductions
- Schedule K-1-T(3): Pass-through Withholding Calculation for Nonresident Members
- Schedule M: Other Additions and Subtractions for Individuals Note: For determining your 529 additions and subtractions, see Bright Start 529 Illinois Taxpayer Guide or Bright Directions 529 Tax Center .
- Schedule M: Other Additions and Subtractions (for businesses)
- Schedule M (IL-1040): Other Additions and Subtractions for Individuals
- Schedule M (IL-1120, IL-1120-ST, IL-1065, IL-1041): Other Additions and Subtractions (for businesses)
- Schedule NB: Nonbusiness Income
- Schedule NLD: Illinois Net Loss Deduction
- Schedule NR: Nonresident Computation of Fiduciary Income
- Schedule NR: Nonresident and Part-Year Resident Computation of Illinois Tax
- Schedule NR (IL-1040): Nonresident and Part Year Resident Computation of Illinois Tax
- Schedule NR (IL-1041): Nonresident Computation of Fiduciary Income
- Schedule UB: Combined Apportionment for Unitary Business Group
- Schedule UB/INS: Tax for a Unitary Business Group with Foreign Insurer Members
- Schedule UB/NLD: Unitary Illinois Net Loss Deduction
- Subgroup Schedule (UB): Subgroup Schedule