Skip to Main Content

Business Frequently Asked Questions (FAQs)

At the end of each subject FAQ is information regarding how to contact us, if you have additional questions.

• Address Change
• Business Tax Registration
• Business Tax Online Registration
• Corporation Franchise or Income Tax
  • General Information
  • Which Form to File?
  • Combined Reporting
  • Addback of Related Entity Interest and Rental Expenses
  • Apportionment and Nexus
  • Disclosure of Related Entity Expenses on Schedule RT
  • Disclosure of Reportable Transactions - Taxpayer Requirements
  • Disclosure of Reportable Transactions - Material Advisor Requirements
  • Section 179 and Depreciation Adjustments for Wisconsin
  • Dairy and Livestock Farm Investment Credit Credit
  • Dairy Manufacturing Facility Investment Credit
  • Manufacturer's Sales Tax Credit
• Dry Cleaning License and Products Fees
• Forms W-2 & 1099 Filing
• Local Exposition Taxes
• Mailing Addresses
• Occupational Licenses & Credentials
• Partnerships
• Pass-Through Entity Withholding
• Police and Fire Protection Fee
• Premier Resort Area Tax
• Recycling Surcharge
• Regional Transit Authority Fee
• Rental Vehicle Fee
• Sales and Use Tax
• Tax Rates
• Temporary Events Program
• Voluntary Disclosure
• Withholding Tax
• General Questions
• Health Care Benefits for Children Under Age 27
• Nonresident Military Spouse Withholding Exemption
• Withholding Tax Information Related to Wisconsin-Minnesota Income Tax Reciprocity Termination

Last updated November 18, 2010