During the administration of President George W. Bush, there was a controversy over the President's use of signing statements, which critics charged was unusually extensive and modified the meaning of statutes.
Wisconsin Filing Due Date: Corporation tax returns are due by March 15 â or by the 15 th day of the 3 rd month following the end of the taxable year (for fiscal year filers). Extended Deadline with Wisconsin Tax Extension: If you have an approved Federal tax extension (IRS Form 7004), your Wisconsin filing deadline will be automatically extended to 30 days past the Federal extension deadline.
Phone numbers for specific offices within the department are listed on their web site. Address of where to send your return to is printed on the bottom of each tax form. If additional questions, call the information number listed above. Information on the status of your return is available via https://ww2.revenue.wi.gov/RefundInquiry/request.html. Or, to find out the status of your Wisconsin income tax refund, get Homestead information, order forms and get filing assistance, call 266-8100. Info is available 24 hours a day, 7 days a week. Have your Social Security number and expected refund amount ready.