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Corporation and Partnership Tax

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Taxes and Other Programs

Corporations

  • Common questions – general
  • Combined reporting
  • Publication 102 - Wisconsin Tax Treatment of Tax-Option (S) Corporations and Their Shareholders
  • Tax-option (S) corporation entity level tax

Partnerships

  • Common questions
  • Partnership entity level tax

Other Information

  • Apportionment and nexus
  • Economic development surcharge
  • Limited liability companies (Publication 119)
  • Pass through withholding and composite returns (Fact Sheet 1117)
  • Qualified opportunity zones
  • Qualified Wisconsin business capital gain exclusion/deferral program
  • Starting a business
  • Tax incentives/credits
  • Tax rates
  • Unclaimed property
  • Voluntary disclosure
    • Nonfiler
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External Links (NEW)

  • Department of Financial Institutions
    • Wisconsin entities
    • Out of state entities
  • Internal Revenue Service
  • State tax agencies

File and Pay

My Tax Account  My Tax Account (MTA)

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  • MTA Help

Other

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  • Approved software providers
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  • Due dates and extensions
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  • Estimated tax verification
  • Payment by ACH credit
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  • Which form to file

Resources

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