Follow the steps to complete the WI PW-1 online.

1. Press the ‘Get Form’ button to access the form and open it in the editor.
2. Specify the calendar year or tax year for the form at the top of the document. Include the starting and ending dates.
3. Indicate if this is an amended return by checking the appropriate box and including Schedule AR if necessary.
4. In Part 1, enter the pass-through entity information, including the name, address, and Federal Employer ID Number.
5. Provide the total pass-through income under Wisconsin law, and any taxes already paid by lower-tier entities in Parts C and D.
6. Calculate the withholding tax in Part 1 by completing lines related to total withholding tax, estimated payments, and any adjustments necessary.
7. Fill in Part 1A if applicable, which requires additional details for tiered entities, including the names and amounts withheld for each entity involved.
8. Complete Part 2 by entering the necessary information for nonresidents, including their names, addresses, and relevant tax information.
9. Review all entered information for accuracy. Once complete, you may save changes, download, print, or share the form.

Complete your WI PW-1 form online today for a hassle-free filing experience.