State of Kansas Personal Income Tax Extensions

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General Instructions

Kansas individual income tax returns are due by the 15th day of the 4th month after the close of the tax year. For calendar year filers, this date is April 15. If you cannot file on time, you can request a state tax extension.

Kansas tax extensions are automatic, which means there is no state application to complete. If you have a valid Federal tax extension (IRS Form 4868), you will automatically receive a Kansas tax extension. Make sure to include a copy of your Federal extension with your Kansas tax return when it’s filed.

Note that a tax extension does not give you more time to pay tax. If you owe Kansas income tax, it needs to be paid by the original deadline (April 15) or interest charges will apply. You must pay at least 90% of your Kansas tax by the original deadline in order to avoid an additional penalty charge. You can make an extension payment using Kansas Form K-40V (Individual Income Tax Payment Voucher).

If you owe zero tax or you’re due a state tax refund, you do not have to request a Kansas extension or file Form K-40V.

For more information, please visit the Kansas Department of Revenue website: www.ksrevenue.org

Kansas State Income Tax Payment Forms

Form K-40V (Individual Income Tax Payment Voucher)

Mail Form K-40V with payment to the following address:

Kansas Income Tax
Kansas Department of Revenue
915 SW Harrison Street
Topeka, KS  66612-1588