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               Form 1CNA | Combined Wisconsin Individual Income Tax Return for Nonresident Members of Professional Athletic Teams | 
                Instructions | 
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               Form 1CND | Combined Wisconsin Individual Income Tax Return for Nonresident Directors of Corporations | 
                Instructions | 
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               Form 1CNS | Combined Wisconsin Individual and Fiduciary Income Tax Return for Nonresident Tax-Option (S) Corporation Shareholders | Instructions | 
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               Form 4 | Corporation Franchise or Income Tax | 
                Instructions | 
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               Form 4466W | Corporation or Pass-Through Entity Application for Quick Refund of Overpayment of Estimated Tax and Instructions | 
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               Form 4B | Apportionment Data | 
               Form 4BL
  | Net Business Loss Carryforward with Instructions | 
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               Form 4C | Separate Accounting Data | 
                Instructions | 
| Form 4-ES | Corporation Estimated Tax Voucher is not available via the Internet due to special sizing and scanning requirements. | Instructions | 
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               Form 4H | Corporation Declaration of Inactivity with Instructions | 
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               Form 4I | Insurance Company Franchise Tax | 
                Instructions | 
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               Form 4T | Exempt Organization Business Franchise or Income Tax Return | 
                Instructions | 
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               Form 4U | Underpayment of Estimated Tax by Corporations with Instructions | 
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               Form 5 | Corporation Franchise or Income Tax | 
                Instructions | 
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               Form 5E | Election by an S Corporation Not to Be Treated as a Tax-Option Corporation with Instructions | 
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               Form 5R | Revocation of Election by an S Corporation Not to Be Treated as a Tax-Option Corporation with Instructions | 
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               Form 5S | Tax-Option (S) Corporation Franchise or Income Tax | 
                Instructions | 
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               Form 5S-1 | Tax-Option (S) Corporation Schedules | 
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               Form 8 | Transfers of Capital Stock with Instructions | 
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               Form 830 | Application for Extension of Time to File Wisconsin Corporation Franchise or Income Tax Return | 
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               Form 9b | Miscellaneous Income with Instructions | 
               Form A-222 (Fill-In Form) | Power of Attorney with Instructions | 
| Form CN-ES | Composite Estimated Tax Voucher discontinued | 
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               Form CU | Credit Union Declaration of Exempt Status | 
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               Schedule 5K-1 | Tax-Option (S) Corporation Shareholder's Share of Income, Deductions, etc. | 
                Instructions | 
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               Schedule CU-1 | Credit Union Net Income with Instructions | 
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               Schedule DC | Development Zone Credits | 
                Instructions | 
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               Schedule FC | Farmland Preservation Credit Claim | 
                Instructions | 
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               Schedule FT | Farmland Tax Relief Credit with Instructions | 
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               Schedule HR | Historic Rehabilitation Credits with Instructions | 
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               Schedule R | Research Credits | 
                Instructions |