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.
You are considered a Wisconsin resident for state income tax purposes if you have lived in Wisconsin for the entire year. If you are a Wisconsin resident, you may need to file Wisconsin tax forms WI-Z, 1A or 1, depending on your filing status and the number and type of claims or adjustments you make. File a Wisconsin tax return whether you have had taxes withheld from your paychecks or paid estimated taxes on a quarterly basis.