Wis. Admin. Code § Tax 2.085 — Claim for refund on behalf of a deceased taxpayer

Tax 2.085(1) (1) If a claimant is filing a deceased taxpayer’s income tax return and is due a refund, the claimant shall file Form 804, “Claim for Decedent’s Wisconsin Income Tax Refund,” with the income tax return. If the claimant did not file Form 804 with the income tax return, a refund check is issued in the deceased taxpayer’s name. If the claimant is unable to cash the refund check, the claimant shall file Form 804.

Tax 2.085(2) (2) If a refund is claimed on a joint Wisconsin income tax return of the surviving spouse and the decedent, the surviving spouse shall write “filing as surviving spouse” in the signature area of the return. If someone other than the surviving spouse is the personal representative, the personal representative shall also sign the joint return.

Tax 2.085(3) (3) Forms required to be filed under sub. (1) shall be mailed to Wisconsin Department of Revenue, P.O. Box 8903, Madison, WI 53708-8903.