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.
If you cannot file on time, you can get an extension. You may use any federal extension provision for Wisconsin, even if you are filing your federal return by April 15. You do not need to submit a request for an extension to the department prior to the time you file your Wisconsin return.f you cannot file on time, you can get an extension. You may use any federal extension provision for Wisconsin, even if you are filing your federal return by April 15. You do not need to submit a request for an extension to the department prior to the time you file your Wisconsin return.