Wisconsin 1cns 2026

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The document is a tax form for nonresident shareholders of a Wisconsin tax-option (S) corporation, detailing the requirements and instructions for filing a combined individual and fiduciary income tax return. It includes sections for tax computation, shareholder information, and payment details, with a due date of April 15, 2004.

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Click ‘Get Form’ to open the Wisconsin 1CNS in the editor.
Begin by entering the Tax-Option (S) Corporation Name and Federal Employer ID Number at the top of the form. Ensure accuracy as this information is crucial for identification.
Fill in the Wisconsin Employer ID (Withholding) Number, along with the corporation's address details including Number and Street, City, State, and Zip Code.
Indicate the Corporation Year Ending by selecting the appropriate month and year from the dropdown options provided.
In Schedule 1, input the income or loss figures from Schedule 2 for qualifying nonresident shareholders. Follow through each line carefully to ensure all tax computations are accurate.
Complete the signature section at the bottom of the form. An authorized officer must sign and date it, confirming that all information is true and correct.

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