Wisconsin State Business Tax Extension Filing Instructions
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Last modified 3/20/2023 8:49:04 AM EST |
Added by ExpressExtension Team
The state of Wisconsin provides the automatic extension of time to file business income tax returns with the State if the businesses have filed the federal extension Form 7004 and it is approved by the IRS. Make sure to attach a copy of your approved Federal business tax extension to your Wisconsin tax return when it’s filed.
Extension Form to use
There is no state-specific form to request an extension, as the state of Wisconsin automatically provides the extension for up to 7 months for businesses to file an income tax return with the state.
Due date to file Wisconsin tax Extension
| Business Type | Actual Due Date | Extension Period |
|---|---|---|
| C-Corporation |
15th day of the 4th month following the close of the taxable year. Fiscal year ending on June 30th – 15th day of 3rd month after the end of the fiscal taxable year |
6 or 7-month extension. |
| S-Corporation | 15th day of the 3rd month after the end of the taxable year | 7-month extension |
| Partnership | 15th day of the 3rd month after the end of the taxable year |
6-month extension |
| Fiduciary Income Tax Return for Estates and Trusts | 15th day of the 4th month after the end of the taxable year |
5 ½ month extension |
Wisconsin tax extension Filing Method (Paper/Electronic)
State of Wisconsin supports only the electronic filing option.
How to pay the state tax due?
The extension of time to file is not an extension of time to pay the tax. To obtain an extension of time to file a Wisconsin business tax return, it is necessary to pay the Wisconsin tax that is estimated to be due by the original due date of the tax return.
If the department determines that the estimate of tax is unreasonable, the extension will not be allowed.
Therefore, you can pay your tax due using any of the following options:
- Pay Online using My Tax Account.
- Direct Debit/Withdrawal
- Pay by Credit Card
- Pay through check or money order. If using a voucher, be sure it is for the same year as the tax return.
- If you’re a corporation, use Corporation Estimated Tax Interactive Voucher.
- If you’re a Partnership, use Wisconsin Pass-Through Entity Withholding Electronic Payment Interactive Voucher
- If you’re trusts and estates, use Wisconsin Estimated Income Tax Interactive Voucher
Does ExpressExtension support this State filing?
There is no state-specific form to request an Wisconsin extension. If you are looking for an e-file solution for Federal Form 7004, you can file your extension and get approval within minutes with ExpressExtension. Please note: An extension to file doesn’t mean more time to pay, if you owe any tax due, make your tax payment by the original due date of your state return to avoid late payment penalties.
Any Special Requirements?
If you don’t have a Federal extension, a Wisconsin-only tax extension can be obtained by:
- Estimating the amount of tax that will be due and paying the tax by the original due date of the return
- Enclosing with the Wisconsin return, when it is filed, either of the following:
- A copy of a completed federal extension application form
- A statement indicating which federal extension provision is being used (such as the automatic six-month extension, Form 7004)
- For corporations, If you don’t have a Federal extension, you can obtain a Wisconsin tax extension of 7 or 8 months after the original due date of the corporation's federal return.
For more information regarding Wisconsin business state tax extension, click here.