| Form 1CNS | Composite Wisconsin Individual Income Tax Return for Nonresident Tax-Option (S) Corporation Shareholders | 
               Instructions | 
               Fill-In Form | 
| Form 4 | Wisconsin Corporation Franchise or Income Tax Return | 
               Instructions | 
               Fill-In Form | 
| Form 4-EPV Voucher (Fill-In Form)
 | Wisconsin Corporation Electronic Payment Voucher | 
| Form 4-ES No Longer Available
 | Estimated Tax Voucher | Instructions | 
| Form 4466W | Corporation or Pass-Through Entity Application for Quick Refund of Overpayment of Estimated Tax and Instructions | 
               Fill-In Form | 
| Form 4B | Wisconsin Apportionment Data | 
               Fill-In Form | 
| Form 4B-1 | Wisconsin Apportionment Data For Specialized Industries | 
               Instructions | 
               Fill-In Form | 
| Form 4BL | Wisconsin Net Business Loss Carryforward and Instructions | 
               Fill-In Form | 
| Form 4C | Separate Accounting Data | 
               Instructions | 
               Fill-In Form | 
| Form 4H | Wisconsin Corporation Declaration of Inactivity and Instructions | 
               Fill-In Form | 
| Form 4I | Wisconsin Insurance Company Franchise Tax Return | 
               Instructions | 
               Fill-In Form | 
| Form 4T | Wisconsin Exempt Organization Business Franchise or Income Tax Return | 
               Instructions | 
               Fill-In Form | 
| Form 4U | Underpayment of Estimated Tax by Corporations and Instructions | 
               Fill-In Form | 
| Form 5 | Wisconsin Corporation Franchise or Income Tax Return | 
               Instructions | 
               Fill-In Form | 
| Form 5E | Election by an S Corporation Not to Be Treated as a Tax-Option Corporation and Instructions | 
               Fill-In Form | 
| Form 5R | Revocation of Election by an S Corporation Not to Be a Tax-Option Corporation and Instructions | 
               Fill-In Form | 
| Form 5S | Wisconsin Tax-Option (S) Corporation Franchise or Income Tax Return | 
               Instructions | 
               Fill-In Form | 
| Form 8 | Transfers of Capital Stock and Instructions | 
               Fill-In Form | 
| Form 9B | Miscellaneous Income and Instructions | 
               Fill-In Form | 
| Form A-222 (Fill-In Form)
 | Power of Attorney and Instructions | 
| Form CU | Credit Union Declaration of Exempt Status | 
               Fill-In Form | 
| Form PW-1 | Wisconsin Nonresident Income or Franchise Tax Withholding on Pass-Through Entity Income | 
               Instructions | 
               Electronic Filing | 
| Form PW-2 | Wisconsin Nonresident Partner, Member, Shareholder, or Beneficiary Withholding Exemption Affidavit | 
               Instructions | 
               Fill-In Form | 
| Form W-RA | Required Attachments for Electronic Filing and Instructions | 
               Fill-In Form | 
| Schedule 5K-1 | Tax-Option (S) Corporation Shareholder's Share of Income, Deductions, Credits, etc. | 
               Instructions | 
               Fill-In Form | 
| Schedule CR | Other Credits | 
               Instructions | 
               Fill-In Form | 
| Schedule CU-1 | Credit Union Net Income and Instructions | 
               Fill-In Form | 
| Schedule DC | Wisconsin Development Zones Credits | 
               Instructions | 
               Fill-In Form | 
| Schedule DI | Wisconsin Dairy and Livestock Farm Investment Credit and Instructions | 
               Fill-In Form | 
| Schedule DM | Dairy Manufacturing Facility Investment Credit and Instructions | 
               Fill-In Form | 
| Schedule EB | Ethanol and Biodiesel Fuel Pump Credit and Instructions | 
               Fill-In Form | 
| Schedule EC | Enterprise Zone Jobs Credit and Instructions | 
               Fill-In Form | 
| Schedule FC | Farmland Preservation Credit Claim | 
               Instructions | 
               Fill-In Form | 
| Schedule FP | Film Production Credits and Instructions | 
               Fill-In Form | 
| Schedule FT | Wisconsin Farmland Tax Relief Credit and Instructions | 
               Fill-In Form | 
| Schedule HI | Health Insurance Risk-Sharing Plan Assessments Credit and Instructions | 
               Fill-In Form | 
| Schedule HR | Wisconsin Historic Rehabilitation Credits and Instructions | 
               Fill-In Form | 
| Schedule IE | Wisconsin Internet Equipment Credit and Instructions | 
               Fill-In Form | 
| Schedule MI | Manufacturing Investment Credit and Instructions | 
               Fill-In Form | 
| Schedule MS | Wisconsin Manufacturer's Sales Tax Credit Carryforward Allowable | 
               Instructions | 
               Fill-In Form | 
| Schedule R | Wisconsin Research Credits | 
               Instructions | 
               Fill-In Form | 
| Schedule R-1 | Increased Wisconsin Research Credits for Activities Related to Internal Combustion Engines | 
               Instructions | 
               Fill-In Form | 
| Schedule R-2 | Increased Wisconsin Research Credits for Activities Related to Certain Energy Efficient Products | 
               Instructions | 
               Fill-In Form | 
| Schedule RT | Wisconsin Related Entity Expenses Disclosure Statement | 
               Instructions | 
               Fill-In Form | 
| Schedule RT-1 | Statement of Disallowed Related Entity Interest Expense or Rental Expense | 
               Instructions | 
               Fill-In Form | 
| Schedule TC | Wisconsin Technology Zone Credit and Instructions | 
               Fill-In Form | 
| Schedule V | Wisconsin Additions to Federal Income | 
               Fill-In Form | 
| Schedule VC | Wisconsin Venture Capital Credits | 
               Instructions | 
               Fill-In Form | 
| Schedule W | Wisconsin Subtractions From Federal Income | 
               Fill-In Form | 
| Schedule Y | Wisconsin Deductible Dividends | 
               Fill-In Form |