2023 Corporation Tax Forms

Note: For fill-in forms to work properly, you must have free Adobe Reader software on your computer. Most fill-in forms work with Adobe Reader Version 7; however, some forms require Adobe Reader Version 9 or higher to print properly. To obtain free Adobe Reader software, please visit Adobe's website.

​If you have questions about our fill-in forms, please refer to our instructions. This option will not electronically file your form.

Visit the Prior Year Income Tax Forms webpage.

  
  
  
.DocumentType
  
  
.Owner
  
  
  
  
  
8/21/2023 3:00 PMComposite Wisconsin Individual Income Tax Return for Nonresident Tax-Option (S) Corporation ShareholdersForm; Form-Corp; Form-Flat2023ISE-Admin-TechForm 1CNSNoDRAFT
  
9/12/2023 10:31 AMWisconsin Non-Combined Corporation Franchise or Income Tax ReturnForm; Form-Corp; Form-Flat2023ISE-Admin-TechForm 4NoDRAFT
  
9/12/2023 10:31 AMWisconsin Corporation or Pass-Through Entity Application for Quick Refund of Overpayment of Estimated TaxForm; Form-Corp; Form-Flat2023ISE-Admin-TechForm 4466WNoDRAFT
  
9/12/2023 10:33 AMWisconsin Net Business Loss Carryforward for Separate Entity CorporationsForm; Form-Corp; Form-Flat; Form-Partnership2023ISE-Admin-TechForm 4BLNoDRAFT
  
9/12/2023 10:33 AMWisconsin Corporation Declaration of InactivityForm; Form-Corp; Form-Flat2023ISE-Admin-TechForm 4HNoDRAFT
  
9/18/2023 11:03 AMWisconsin Exempt Organization Business Franchise or Income Tax ReturnForm; Form-Corp; Form-Fiduciary; Form-Flat2023ISE-Admin-TechForm 4TNoDRAFT
  
9/12/2023 10:33 AMWisconsin Net Business Loss Carryforward for Separate Entity CorporationsForm; Form-Corp; Form-Flat2023ISE-Admin-TechForm 5ENoDRAFT
  
9/12/2023 10:31 AMWisconsin Revocation of Election by an S Corporation Not to Be a Tax-Option CorporationForm; Form-Corp; Form-Flat2023ISE-Admin-TechForm 5RNoDRAFT
  
8/25/2023 11:31 AMWisconsin Tax-Option (S) Corporation Franchise or Income Tax ReturnForm; Form-Corp; Form-Flat2023ISE-Admin-TechForm 5SNoDRAFT
  
9/12/2023 10:32 AMWisconsin Combined Corporate Franchise or Income Tax ReturnForm; Form-Corp; Form-Flat2023ISE-Admin-TechForm 6NoDRAFT
  
9/12/2023 10:32 AMWisconsin Net Business Loss Carryforward for Combined Group MembersForm; Form-Corp; Form-Flat2023ISE-Admin-TechForm 6BLNoDRAFT
  
9/12/2023 10:32 AMWisconsin Capital Loss AdjustmentForm; Form-Corp; Form-Flat2023ISE-Admin-TechForm 6CLNoDRAFT
  
9/12/2023 10:31 AMWisconsin Sharing of Research CreditsForm; Form-Corp; Form-Flat2023ISE-Admin-TechForm 6CSNoDRAFT
  
9/12/2023 10:32 AMWisconsin Adjustment for Insurance CompaniesForm; Form-Corp; Form-Flat2023ISE-Admin-TechForm 6INoDRAFT
  
9/12/2023 10:32 AMWisconsin Modification for DividendsForm; Form-Corp; Form-Flat2023ISE-Admin-TechForm 6YNoDRAFT
  
8/21/2023 2:59 PMMiscellaneous IncomeForm; Form-Corp; Form-Flat; Form-Ind-Income; Form-Partnership; Form-Fiduciary2023ISE-Admin-TechForm 9bNoDRAFT
  
9/12/2023 10:33 AMWisconsin Allocation and Separate Accounting DataForm; Form-Corp; Form-Fiduciary; Form-Flat; Form-Partnership2023ISE-Admin-TechForm CNoDRAFT
  
1/23/2023 4:08 PMWisconsin Corporation Estimated Tax Voucher InstructionsForm; Form-Corp; Form-Instructions2023ISE-Admin-TechForm Corp-ES InstructionsNoFINAL
  
9/12/2023 10:30 AMWisconsin Corporation Payment VoucherForm-Corp; Form-Flat; Form-Instructions2023ISE-Admin-TechForm C-PV InstructionsNoDRAFT
  
9/12/2023 10:32 AMWisconsin Credit Union Declaration of Exempt StatusForm; Form-Corp; Form-Flat2023ISE-Admin-TechForm CUNoDRAFT
  
4/3/2023 3:39 PMTransfer of Supplement to the Federal Historic Rehabilitation CreditForm; Form-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2023ISE-Admin-TechForm HR-TYesFINAL
  
4/3/2023 3:39 PMTransfer of Supplement to the Federal Historic Rehabilitation Credit Fill-In FormForm; Form-Corp; Form-Fiduciary; Form-Fill-In; Form-Ind-Income; Form-Partnership2023ISE-Admin-TechForm HR-T (Fill-In Form)NoFINAL
  
2/10/2023 3:00 PMTransfer of Supplement to Federal Historic Rehabilitation Credit InstructionsForm-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Instructions; Form-Partnership; Form2023ISE-Admin-TechForm HR-T InstructionsNoFINAL
  
9/12/2023 10:33 AMWisconsin Nonapportionable, Separately Accounted, and Separately Apportioned IncomeForm; Form-Corp; Form-Flat; Form-Partnership2023ISE-Admin-TechForm NNoDRAFT
  
8/25/2023 11:58 AMWisconsin Nonresident Income or Franchise Tax Withholding on Pass-Through Entity IncomeForm; Form-Corp; Form-Fiduciary; Form-Flat; Form-Partnership2023ISE-Admin-TechForm PW-1NoDRAFT
  
8/30/2023 11:43 AMWisconsin Nonresident Partner, Member, Shareholder, or Beneficiary Pass-Through Withholding Exemption AffidavitForm; Form-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2023ISE-Admin-TechForm PW-2NoFINAL
  
9/25/2023 3:31 PMWisconsin Nonresident Partner, Member, Shareholder, or Beneficiary Pass-Through Withholding Exemption Affidavit InstructionsForm-Corp; Form-Instructions; Form-Fiduciary; Form-Ind-Income; Form-Partnership2023ISE-Admin-TechForm PW-2 InstructionsNoFINAL
  
1/6/2023 9:52 AMWisconsin Pass-Through Entity Withholding Payment Voucher InstructionsForm; Form-Corp; Form-Fiduciary; Form-Flat; Form-Instructions; Form-Partnership2023ISE-Admin-TechForm PW-ES InstructionsNoFINAL
  
8/23/2023 8:50 AMUnderpayment of Estimated Withholding Tax by Pass-Through EntitiesForm; Form-Corp; Form-Fiduciary; Form-Flat; Form-Partnership2023ISE-Admin-TechForm PW-UNoDRAFT
  
8/31/2023 1:51 PMWisconsin Qualified Opportunity Fund CertificateForm; Form-Corp; Form-Flat; Form-Instructions; Form-Partnership2023ISE-Admin-TechForm WQOF InstructionsNoFINAL
  
9/6/2023 8:43 AMRequired Attachments for Electronic Filing Form-Flat; Form-Ind-Income; Form-Corp; Form-Partnership; Form-Fiduciary2023ISE-Admin-TechForm W-RANoDRAFT
  
9/12/2023 10:31 AMWisconsin Subtraction Modification for DividendsForm; Form-Corp; Form-Flat2023ISE-Admin-TechSchedule 4YNoDRAFT
  
8/25/2023 11:45 AMTax-Option (S) Corporation Shareholder’s Share of Income, Deductions, Credits, etc.Form; Form-Corp; Form-Flat2023ISE-Admin-TechSchedule 5K-1NoDRAFT
  
8/18/2023 7:43 AMEntity-Level Tax ComputationForm; Form-Corp; Form-Flat2023ISE-Admin-TechSchedule 5S-ETNoDRAFT
  
9/12/2023 10:33 AMWisconsin Single Sales Factor Apportionment Data for Nonspecialized IndustriesForm; Form-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2023ISE-Admin-TechSchedule A-01NoDRAFT
  
9/12/2023 10:32 AMWisconsin Apportionment Percentage for Interstate Financial InstitutionsForm; Form-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2023ISE-Admin-TechSchedule A-02NoDRAFT
  
9/12/2023 10:32 AMWisconsin Apportionment Percentage for Interstate Motor CarriersForm; Form-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2023ISE-Admin-TechSchedule A-03NoDRAFT
  
9/12/2023 10:32 AMWisconsin Apportionment Percentage for Interstate Telecommunications CompaniesForm; Form-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2023ISE-Admin-TechSchedule A-04NoDRAFT
  
9/12/2023 10:35 AMWisconsin Premiums Factor for Insurance CompaniesForm; Form-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2023ISE-Admin-TechSchedule A-05NoDRAFT
  
9/12/2023 10:32 AMWisconsin Receipts Factor for Interstate Brokers-Dealers, Investment Advisors, Investment Companies, and UnderwritersForm; Form-Corp; Form-Flat; Form-Fiduciary; Form-Ind-Income; Form-Partnership2023ISE-Admin-TechSchedule A-06NoDRAFT
  
9/12/2023 10:32 AMWisconsin Apportionment Percentage for Interstate Air CarriersForm; Form-Corp; Form-Flat; Form-Ind-Income; Form-Partnership; Form-Fiduciary2023ISE-Admin-TechSchedule A-07NoDRAFT
  
9/12/2023 10:32 AMWisconsin Apportionment Percentage for BroadcastersForm; Form-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2023ISE-Admin-TechSchedule A-08NoDRAFT
  
9/12/2023 10:32 AMWisconsin Apportionment Percentage for Interstate RailroadsForm; Form-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2023ISE-Admin-TechSchedule A-09NoDRAFT
  
9/18/2023 11:03 AMWisconsin Apportionment Percentage for Interstate Pipeline CompaniesForm; Form-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2023ISE-Admin-TechSchedule A-10NoDRAFT
  
9/12/2023 10:32 AMWisconsin Apportionment Percentage for Interstate Air Freight Forwarders Affiliated with a Direct Air CarrierForm; Form-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2023ISE-Admin-TechSchedule A-11NoDRAFT
  
9/6/2023 9:01 AMExplanation of Amended Return Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership; Form-Corp2023ISE-Admin-TechSchedule ARNoDRAFT
  
9/6/2023 9:02 AMCarryforward of Unused Credits Form-Corp; Form-Ind-Income; Form-Flat; Form-Fiduciary2023ISE-Admin-TechSchedule CFNoDRAFT
  
9/6/2023 9:08 AMOther Credits Form-Corp; Form-Flat; Form-Ind-Income; Form-Fiduciary2023ISE-Admin-TechSchedule CRNoDRAFT
  
9/12/2023 10:34 AMCredit Union Adjustment to IncomeForm; Form-Corp; Form-Flat2023ISE-Admin-TechSchedule CU-1NoDRAFT
  
9/12/2023 10:31 AMDisregarded Entity ScheduleForm; Form-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2023ISE-Admin-TechSchedule DENoDRAFT
  
9/12/2023 10:34 AMWisconsin Economic Development Tax Credit Form; Form-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2023ISE-Admin-TechSchedule EDNoDRAFT
  
9/12/2023 10:31 AMElectronics and Information Technology Manufacturing Zone CreditForm; Form-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2023ISE-Admin-TechSchedule EITNoDRAFT
  
9/12/2023 10:30 AMEmployee College Savings Account Contribution CreditForm; Form-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2023ISE-Admin-TechSchedule ESNoDRAFT
  
8/18/2023 7:38 AMCredit for Net Tax Paid to Another StateForm-Corp; Form; Form-Flat; Form-Partnership2023ISE-Admin-TechSchedule ET-OSNoDRAFT
  
9/1/2023 12:46 PMFarmland Preservation CreditForm-Fiduciary; Form-Flat; Form-Ind-Income; Form-Corp2023ISE-Admin-TechSchedule FCNoDRAFT
  
9/1/2023 12:50 PMFarmland Preservation CreditForm-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income2023ISE-Admin-TechSchedule FC-ANoDRAFT
  
9/18/2023 11:03 AMWisconsin Historic Rehabilitation CreditsForm; Form-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2023ISE-Admin-TechSchedule HRNoDRAFT
  
2/9/2023 10:37 AMWisconsin Supplement to the Federal Historic Rehabilitation Tax Credit – Five-Year Credit ClaimForm; Form-Corp; Form-Flat; Form-Ind-Income; Form-Fiduciary; Form-Partnership2023ISE-Admin-TechSchedule HR-5 YesFINAL
  
2/9/2023 10:37 AMWisconsin Supplement to the Federal Historic Rehabilitation Tax Credit – Five-Year Credit Claim Fill-in FormForm; Form-Corp; Form-Fiduciary; Form-Fill-In; Form-Ind-Income; Form-Partnership2023ISE-Admin-TechSchedule HR-5 (Fill-in Form)NoFINAL
  
2/9/2023 10:37 AMWisconsin Supplement to the Federal Historic Rehabilitation Tax Credit - Five-Year Credit Claim InstructionsForm; Form-Instructions; Form-Flat; Form-Ind-Income; Form-Corp; Form-Fiduciary; Form-Partnership2023ISE-Admin-TechSchedule HR-5 InstructionsNoFINAL
  
9/12/2023 10:34 AMWisconsin Jobs Tax CreditForm; Form-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2023ISE-Admin-TechSchedule JTNoDRAFT
  
9/12/2023 10:31 AMWisconsin Low-Income Housing Tax CreditForm; Form-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2023ISE-Admin-TechSchedule LINoDRAFT
  
9/12/2023 10:30 AMWisconsin Agricultural CreditForm; Form-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2023ISE-Admin-TechSchedule MA-ANoDRAFT
  
9/12/2023 10:30 AMWisconsin Manufacturing CreditForm; Form-Corp; Form-Flat; Form-Ind-Income; Form-Fiduciary; Form-Partnership2023ISE-Admin-TechSchedule MA-MNoDRAFT
  
9/12/2023 10:30 AMWisconsin Manufacturer’s Sales Tax Credit Carryforward AllowableForm; Form-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2023ISE-Admin-TechSchedule MSNoDRAFT
  
9/12/2023 10:31 AMWisconsin Research CreditsForm; Form-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2023ISE-Admin-TechSchedule RNoDRAFT
  
9/12/2023 10:34 AMWisconsin Related Entity Expenses Disclosure StatementForm; Form-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2023ISE-Admin-TechSchedule RTNoDRAFT
  
9/12/2023 10:31 AMWisconsin Venture Capital CreditsForm; Form-Corp; Form-Fiduciary; Form-Flat; Form-Ind-Income; Form-Partnership2023ISE-Admin-TechSchedule VCNoDRAFT
​​