2018 Corporation Tax Forms

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Need to file your tax return? See the 2017 income tax forms.

  
  
  
  
  
  
  
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Form 1CNSFINAL10/26/2018 10:37 AMComposite Wisconsin Individual Income Tax Return for Nonresident Tax-Option(S) Corporation Shareholders2018-Form1CNS.pdf
  
Link, Holly A - DORForm-Corp; Form-Flat2018ISE-Admin-Tech5562No
Form 4FINAL11/9/2018 7:52 AMWisconsin Non-Combined Corporation Franchise or Income Tax Return2018-Form4.pdf
  
Link, Holly A - DORForm-Corp; Form-Flat2018ISE-Admin-Tech5564No
Form 4466WFINAL10/23/2018 2:55 PMWisconsin Corporation or Pass-Through Entity Application for Quick Refund of Overpayment of Estimated Tax2018-Form4466W.pdf
  
Link, Holly A - DORForm-Corp; Form-Flat2018ISE-Admin-Tech5538No
Form 4BLFINAL10/25/2018 12:38 PMWisconsin Net Business Loss Carryforward for Separate Entity Corporations2018-Form4BL.pdf
  
Link, Holly A - DORForm-Corp; Form-Flat2018ISE-Admin-Tech5552No
Form 4HFINAL10/18/2018 2:17 PMWisconsin Corporation Declaration of Inactivity2018-Form4H.pdf
  
Link, Holly A - DORForm-Corp; Form-Flat2018ISE-Admin-Tech5518No
Form 4TFINAL11/5/2018 10:18 AMWisconsin Exempt Organization Business Franchise or Income Tax Return2018-Form4T.pdf
  
Link, Holly A - DORForm-Corp; Form-Fiduciary; Form-Flat2018ISE-Admin-Tech5565No
Form 5EFINAL10/23/2018 2:53 PMWisconsin Election by an S Corporation Not to Be Treated as a Tax-Option Corporation2018-Form5E.pdf
  
Link, Holly A - DORForm-Corp; Form-Flat2018ISE-Admin-Tech5524No
Form 5RFINAL10/23/2018 2:52 PMWisconsin Revocation of Election by an S Corporation Not to Be a Tax-Option Corporation2018-Form5R.pdf
  
Link, Holly A - DORForm-Corp; Form-Flat2018ISE-Admin-Tech5525No
Form 5SFINAL11/5/2018 10:18 AMWisconsin Tax-Option (S) Corporation Franchise or Income Tax Return2018-Form5S.pdf
  
Link, Holly A - DORForm-Corp; Form-Flat2018ISE-Admin-Tech5566No
Form 6FINAL11/6/2018 12:29 PMWisconsin Combined Corporation Franchise or Income Tax Return2018-Form6.pdf
  
Link, Holly A - DORForm-Corp; Form-Flat2018ISE-Admin-Tech5596No
Form 6BLFINAL10/26/2018 10:36 AMWisconsin Net Business Loss Carryforward for Combined Group Members2018-Form6BL.pdf
  
Link, Holly A - DORForm-Corp; Form-Flat2018ISE-Admin-Tech; ISE-Audit5597No
Form 6CLFINAL10/23/2018 2:52 PMWisconsin Capital Loss Adjustment2018-Form6CL.pdf
  
Link, Holly A - DORForm-Corp; Form-Flat2018ISE-Admin-Tech5526No
Form 6CSFINAL10/23/2018 2:52 PMWisconsin Sharing of Research Credits2018-Form6CS.pdf
  
Link, Holly A - DORForm-Corp; Form-Flat2018ISE-Admin-Tech5527No
Form 6IFINAL10/23/2018 2:55 PMWisconsin Adjustment for Insurance Companies2018-Form6I.pdf
  
Link, Holly A - DORForm-Corp; Form-Flat2018ISE-Admin-Tech5528No
Form 6YFINAL10/18/2018 2:17 PMWisconsin Modification for Dividends2018-Form6Y.pdf
  
Link, Holly A - DORForm-Corp; Form-Flat2018ISE-Admin-Tech5519No
Form 9bFINAL10/23/2018 2:55 PMMiscellaneous Income2018-Form9b.pdf
  
Link, Holly A - DORForm-Corp; Form-Flat; Form-Partnership2018ISE-Admin-Tech5537No
Form A-1FINAL10/18/2018 2:17 PMWisconsin Apportionment Data for Single Factor Formulas2018-FormA-1.pdf
  
Link, Holly A - DORForm-Fiduciary; Form-Ind-Income; Form-Partnership; Form-Corp; Form-Flat2018ISE-Admin-Tech5520No
Form A-2FINAL10/18/2018 2:17 PMWisconsin Apportionment Data for Multiple Factor Formulas2018-FormA-2.pdf
  
Link, Holly A - DORForm-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2018ISE-Admin-Tech5514No
Form CFINAL10/18/2018 2:16 PMWisconsin Allocation and Separate Accounting Data2018-FormC.pdf
  
Link, Holly A - DORForm-Corp; Form-Flat2018ISE-Admin-Tech5515No
Form Corp-ES FINAL2/12/2018 9:45 AMWisconsin Corporation Estimated Tax Voucher 2018-FormCorpES.pdf
  
Dusetti, Manju - DORForm-Corp; Form2018ISE-Admin-Tech5474
Form Corp-ES InstructionsFINAL2/13/2018 3:04 PMWisconsin Corporation Estimated Tax Voucher Instructions2018-FormCorp-ES-inst.pdf
  
Sellner, Valerie A - DORForm-Corp; Form-Flat; Form-Instructions2018ISE-Admin-Tech5475
Form CUFINAL10/23/2018 2:56 PMWisconsin Credit Union Declaration of Exempt Status2018-FormCU.pdf
  
Link, Holly A - DORForm-Corp; Form-Flat2018ISE-Admin-Tech5539No
Form HR-TFINAL7/10/2018 9:10 AMTransfer of Supplement to Federal Historic Rehabilitation Credit2018-FormHR-T.pdf
  
Link, Holly A - DORForm-Corp; Form-Fiduciary; Form-Ind-Income; Form-Partnership; Form-Flat2018ISE-Admin-Tech5387
Form HR-T (Fill-In Form)FINAL7/12/2018 2:03 PMTransfer of Supplement to Federal Historic Rehabilitation Credit Fill-In Form2018-FormHR-Tf.pdf
  
Seffrood, Sharon L - DORForm-Corp; Form-Fill-In; Form-Fiduciary; Form-Ind-Income; Form-Partnership2018ISE-Admin-Tech5389
Form NFINAL10/18/2018 2:16 PMWisconsin Nonapportionable, Separately Accounted, and Separately Apportioned Income2018-FormN.pdf
  
Link, Holly A - DORForm-Corp; Form-Flat; Form-Partnership2018ISE-Admin-Tech5516No
Form PW-1FINAL10/26/2018 10:37 AMWisconsin Nonresident Income or Franchise Tax Withholding on Pass-Through Entity Income2018-FormPW-1.pdf
  
Link, Holly A - DORForm-Corp; Form-Fiduciary; Form-Flat; Form-Partnership2018ISE-Admin-Tech5567No
Form PW-2FINAL10/25/2018 12:38 PMWisconsin Nonresident Partner, Member, Shareholder, or Beneficiary Withholding Exemption Affidavit2018-FormPW-2.pdf
  
Link, Holly A - DORForm-Corp; Form-Fiduciary; Form-Flat; Form-Partnership2018ISE-Admin-Tech5553No
Form PW-ES (Fill-In Form)FINAL10/9/2018 8:30 AMWisconsin Pass-Through Entity Withholding Estimated Payment Voucher Fill-In Form2018-FormPWESf.pdf
  
Seffrood, Sharon L - DORForm-Corp; Form-Fill-In; Form-Fiduciary; Form-Partnership2018ISE-Admin-Tech5587No
Form PW-UFINAL10/25/2018 12:38 PMUnderpayment of Estimated Withholding Tax by Pass-Through Entities2018-FormPW-U.pdf
  
Link, Holly A - DORForm-Corp; Form-Fiduciary; Form-Flat; Form-Partnership2018ISE-Admin-Tech5554No
Form UFINAL10/25/2018 12:40 PMUnderpayment of Estimated Tax by Corporations2018-FormU.pdf
  
Link, Holly A - DORForm-Corp; Form-Flat2018ISE-Admin-Tech5555No
Form W-RAFINAL10/9/2018 10:45 AMRequired Attachments for Electronic Filing and Instructions2018-FormW-RA.pdf
  
Sellner, Valerie A - DORForm; Form-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2018ISE-Admin-Tech5505No
Schedule 4IFINAL10/25/2018 12:38 PMWisconsin Adjustments for Insurance Companies2018-Schedule4I.pdf
  
Link, Holly A - DORForm-Corp; Form-Flat2018ISE-Admin-Tech5556No
Schedule 4VFINAL10/25/2018 12:39 PMWisconsin Additions to Federal Income2018-Schedule4V.pdf
  
Link, Holly A - DORForm-Corp; Form-Flat2018ISE-Admin-Tech5557No
Schedule 4WFINAL10/25/2018 12:39 PMWisconsin Subtractions From Federal Income2018-Schedule4W.pdf
  
Link, Holly A - DORForm-Corp; Form-Flat2018ISE-Admin-Tech5550No
Schedule 4YFINAL10/18/2018 2:16 PMWisconsin Subtraction Modification for Dividends2018-Schedule4Y.pdf
  
Link, Holly A - DORForm-Corp; Form-Flat2018ISE-Admin-Tech5517No
Schedule 5K-1FINAL10/26/2018 10:37 AMTax-Option (S) Corporation Shareholder's Share of Income, Deductions, Credits, etc.2018-Schedule5K-1.pdf
  
Link, Holly A - DORForm-Corp; Form-Flat2018ISE-Admin-Tech5569No
Schedule ARFINAL11/6/2018 10:23 AMExplanation of Amended Return2018-ScheduleAR.pdf
  
Sellner, Valerie A - DORForm; Form-Fiduciary; Form-Ind-Income; Form-Corp; Form-Partnership2018ISE-Admin-Tech5491No
Schedule BDFINAL10/24/2018 2:52 PMBusiness Development Credit2018-ScheduleBD.pdf
  
Link, Holly A - DORForm-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2018ISE-Admin-Tech5548No
Schedule CFFINAL10/17/2018 9:00 AMCarryforward of Unused Credits2018-ScheduleCF.pdf
  
Sellner, Valerie A - DORForm; Form-Ind-Income; Form-Fiduciary; Form-Corp; Form-Flat2018ISE-Admin-Tech5492No
Schedule CF InstructionsFINAL10/17/2018 9:02 AMCarryforward of Unused Credits Instructions2018-ScheduleCF-inst.pdf
  
Sellner, Valerie A - DORForm-Corp; Form-Fiduciary; Form-Flat; Form-Instructions; Form-Ind-Income2018ISE-Admin-Tech5598No
Schedule CMFINAL10/23/2018 2:56 PMCommunity Rehabilitation Program Credit2018-ScheduleCM.pdf
  
Link, Holly A - DORForm-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2018ISE-Admin-Tech5540No
Schedule CRFINAL10/9/2018 10:46 AMOther Credits2018-ScheduleCR.pdf
  
Sellner, Valerie A - DORForm; Form-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2018ISE-Admin-Tech5521No
Schedule CR InstructionsFINAL10/9/2018 10:58 AMOther Credit Instructions2018-ScheduleCR-inst.pdf
  
Sellner, Valerie A - DORForm-Flat; Form-Ind-Income; Form-Fiduciary; Form-Partnership; Form-Corp; Form-Instructions2018ISE-Admin-Tech5594No
Schedule CU-1FINAL10/23/2018 2:54 PMCredit Union Adjustment to Income2018-ScheduleCU-1.pdf
  
Link, Holly A - DORForm-Corp; Form-Flat2018ISE-Admin-Tech5541No
Schedule DCFINAL10/23/2018 2:54 PMWisconsin Development Zones Credits2018-ScheduleDC.pdf
  
Link, Holly A - DORForm-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2018ISE-Admin-Tech5542No
Schedule DEFINAL10/23/2018 2:54 PMDisregarded Entity Schedule2018-ScheduleDE.pdf
  
Link, Holly A - DORForm-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2018ISE-Admin-Tech5543No
Schedule ECFINAL10/23/2018 2:54 PMEnterprise Zone Jobs Credit2018-ScheduleEC.pdf
  
Link, Holly A - DORForm-Corp; Form-Flat; Form-Partnership; Form-Fiduciary; Form-Ind-Income2018ISE-Admin-Tech5532No
Schedule EDFINAL10/23/2018 2:55 PMWisconsin Economic Development Tax Tax Credit2018-ScheduleED.pdf
  
Link, Holly A - DORForm-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2018ISE-Admin-Tech5533No
Schedule EITFINAL10/23/2018 2:53 PMElectronics and Information Technology Manufacturing Zone Credit2018-ScheduleEIT.pdf
  
Link, Holly A - DORForm-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2018ISE-Admin-Tech5534No
Schedule ESFINAL10/26/2018 10:37 AMEmployee College Saving Account Contribution Credit2018-ScheduleES.pdf
  
Link, Holly A - DORForm-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2018ISE-Admin-Tech5558No
Schedule FCFINAL11/8/2018 2:46 PMFarmland Preservation Credit2018-ScheduleFC.pdf
  
Link, Holly A - DORForm-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income2018ISE-Admin-Tech5578No
Schedule FC-AFINAL11/5/2018 8:40 AMFarmland Preservation Credit2018-ScheduleFC-A.pdf
  
Link, Holly A - DORForm-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income2018ISE-Admin-Tech5579No
Schedule HRFINAL10/25/2018 12:40 PMWisconsin Historic Rehabilitation Credits2018-ScheduleHR.pdf
  
Link, Holly A - DORForm-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2018ISE-Admin-Tech5551No
Schedule JTFINAL10/23/2018 2:53 PMWisconsin Jobs Tax Credit2018-ScheduleJT.pdf
  
Link, Holly A - DORForm-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2018ISE-Admin-Tech5535No
Schedule LIFINAL10/26/2018 10:37 AMWisconsin Low-Income Housing Tax Credit2018-ScheduleLI.pdf
  
Link, Holly A - DORForm-Corp; Form-Fiduciary; Form-Ind-Income; Form-Flat; Form-Partnership2018ISE-Admin-Tech5559No
Schedule MA-AFINAL10/24/2018 2:52 PMWisconsin Agricultural Credit2018-ScheduleMA-A.pdf
  
Link, Holly A - DORForm-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2018ISE-Admin-Tech5549No
Schedule MA-MFINAL10/24/2018 2:53 PMWisconsin Manufacturing Credit2018-ScheduleMA-M.pdf
  
Link, Holly A - DORForm-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2018ISE-Admin-Tech5544No
Schedule MIFINAL10/23/2018 2:53 PMManufacturing Investment Credit2018-ScheduleMI.pdf
  
Link, Holly A - DORForm-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2018ISE-Admin-Tech5536No
Schedule MSFINAL10/24/2018 2:52 PMWisconsin Manufacturer's Sales Tax Credit Carryforward Allowable2018-ScheduleMS.pdf
  
Link, Holly A - DORForm-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2018ISE-Admin-Tech5545No
Schedule RFINAL10/26/2018 10:38 AMWisconsin Research Credit2018-ScheduleR.pdf
  
Link, Holly A - DORForm-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2018ISE-Admin-Tech5560No
Schedule RTFINAL10/23/2018 2:53 PMWisconsin Related Entity Expenses Disclosure Statement2018-ScheduleRT.pdf
  
Link, Holly A - DORForm-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2018ISE-Admin-Tech5529No
Schedule RT-1FINAL10/23/2018 2:53 PMStatement of Disallowed Related Entity Expenses2018-ScheduleRT-1.pdf
  
Link, Holly A - DORForm-Corp; Form-Fiduciary; Form-Ind-Income; Form-Flat; Form-Partnership2018ISE-Admin-Tech5530No
Schedule TCFINAL10/24/2018 2:52 PMWisconsin Technology Zone Credit2018-ScheduleTC.pdf
  
Link, Holly A - DORForm-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2018ISE-Admin-Tech5546No
Schedule VCFINAL10/24/2018 2:52 PMWisconsin Venture Capital Credits2018-ScheduleVC.pdf
  
Link, Holly A - DORForm-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2018ISE-Admin-Tech5547No