IA - Underpayment Interest Rates

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Iowa Underpayment Interest Rates

Year Qtr 1
1/01 - 3/31
Qtr 2
4/01 - 6/30
Qtr 3
7/01 - 9/30
Qtr 4
10/01 - 12/31
2014 5% 5% 5% 5%
2013 5% 5% 5% 5%
2012 5% 5% 5% 5%
2011 5% 5% 5% 5%
2010 5% 5% 5% 5%
2009 8% 8% 8% 8%
2008 10% 10% 10% 10%
2007 10% 10% 10% 10%
2006 8% 8% 8% 8%
2005 6% 6% 6% 6%
2004 6% 6% 6% 6%


For more information, see Federal Underpayment Interest Rates, which includes federal rates as well as links to other states.

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