If you are filing Wisconsin Form 1, send your return to the Wisconsin Department of Revenue at.If refund or no tax due. PO Box 59. Madison, WI 53785-0001. ... If refund or no tax due. PO Box 59. Madison, WI 53785-0001. ... If tax is due or submitting Schedule CC to request a closing certificate. PO Box 8918. Madison, WI 53708-8918.Dec 9, 2021