Kansas Filing Due Date: Corporation income tax returns are due by April 15 — or by the 15th day of the 4th month following the close of the taxable year.
Extended Deadline with Kansas Tax Extension: Kansas offers an automatic 6-month extension to taxpayers who have a valid Federal extension (IRS Form 7004), which moves the filing deadline to October 15 (for calendar year filers).
Kansas Tax Extension Form: The State of Kansas accepts a properly filed Federal tax extension (IRS Form 7004). There is no state-specific extension application for Kansas. Make sure to enclose a copy of your valid Federal extension with your Kansas tax return when it’s filed.
Kansas Extension Payment Requirement: An extension of time to file is not an extension of time to pay. If you owe Kansas tax, your state tax balance must be paid by the original due date, or penalties and interest will be charged. You can make a Kansas extension payment with Form K-120V.
Kansas Tax Extension Tips: Only use Form K-120V if you need to make a Kansas tax payment for your extension. Do not file Form K-120V if your Kansas tax liability is zero, or if you expect a Kansas tax refund.