How to file an Amended Kansas Tax Return

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What Is the Kansas Definition of a Tax Amendment?

If there have been changes in your taxable income, deductions or credits, then you must file a tax amendment. If the IRS made changes to your federal tax return then you must also file a tax amendment with the state of Kansas to inform them of the changes.

How to file a Tax Amendment in Kansas

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You can file your Kansas state tax amendment for either the current or previous Tax Year(s) with the help of an efile TaxPro! Enjoy all the benefits of working with a TaxPro, including:

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  • Enjoy the peace of mind that your KS amended tax return is being prepared and filed by a professional!

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The price of having your tax amendment prepared and filed by an online TaxPro starts at only $ 49.90!

You can also download, fill out, and mail your tax amendment.

Kansas State Tax Amendment Forms (download, print out, fill out, and mail)

Fill out Form K-40 for the corresponding year and specify that it's an amended return.

Form (Tax Year)Description
Form K-40 (2013) Kansas Individual Income Tax and/or Food Sales Tax Refund
Form K-40 (2012) Kansas Individual Income Tax and/or Food Sales Tax Refund
Form K-40 (2011) Kansas Individual Income Tax and/or Food Sales Tax Refund
Form K-40 (2010) Kansas Individual Income Tax and/or Food Sales Tax Refund
Form K-40 (2009) Kansas Individual Income Tax and/or Food Sales Tax Refund
Form K-40 (2008) Kansas Individual Income Tax and/or Food Sales Tax Refund

Penalties, Interest, and Fees

The state of Kansas charges interest on unpaid or underpaid tax.

Interest Rates on Unpaid and Underpaid Taxes

Year(s)Interest Rate
2014 4%
2012 5%
2011 5%
2010 5%
2009 6%
2008 9%
2007 9%
2006 7%
2005 5%
2004 6%
2003 7%
2002 8%
2001 10%
2000 9%
1999 9%
1998 10%
1995-1997 12%
1950-1994 18%

In addition, there is a penalty for not paying on time, and it amounts to 1% of the tax due per month, and can't exceed 24%. If the tax was due before December 31, 2001 then the penalty is 25%.

Where to mail your tax amendment -  Kansas Mailing Address:

Kansas Department of Revenue

 

Kansas Income Tax
915 SW Harrison St.
Topeka, KS 66699-1000

 

Learn how to file a IRS tax amendment.

More information on KS state taxes.

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