Yes. Wisconsin requires a complete copy of your federal return.
Begin by putting the four pages of Form 1 in numerical order. Then, attach, using a paper clip, the following in the order listed.
Note: If filing Form 804, Claim for Decedent's Wisconsin Income Tax Refund, with the return, place Form 804 on top of Form 1.
- Payment – If you owe an amount with your return, paper clip your payment to the front of Form 1, unless you are paying by credit card or online.
- Wisconsin schedules – Copies of appropriate Wisconsin schedules and supporting documents, such as Schedule H or H‑EZ (homestead credit), Schedule FC or FC‑A (farmland preservation credit), or Schedule CR. If you are reporting income and expenses of a disregarded entity, attach Schedule DE, Disregarded Entity Schedule.
- Forms W-2 or 1099 – The appropriate copy of each of your withholding statements (Forms W‑2, W‑2G, 1099‑G, 1099‑R, 1099‑MISC, and 1099-NEC).
- Federal return – A complete copy of your federal return (Form 1040 or 1040-SR) and its supporting schedules and forms (such as federal Form 8886, Reportable Transaction Disclosure Statement.)
- Divorce decree
- Injured spouse – If you are filing federal Form 8379.
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