Annual Filer Requirements

All Wisconsin businesses are required to file sales tax and possibily withholding tax forms annually

If you have a Wisconsin seller’s permit, you are required to file Form ST-12 to report sales tax. If you withhold Wisconsin tax from employee wages, you are required to file a form WT-7.

Use My Tax Account to File and Pay

• Due January 31 each year
• Separate from income tax
• Must file even if zero tax due
• All active accounts must file
• Notify us now if your business is inactive
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