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.
1 West Virginians will have to wait 8 weeks for a refund from their paper return and 3 weeks for a refund from an e-filed return. 2  Wisconsin state tax refund â E-filed Wisconsin returns take a week before the refunds go out and paper returns up to 12 weeks. 3  You can check the status of your refund here.