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
  • Additional taxes or excessive credits

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