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Interest Rate for July 2010 to December 2010

Pursuant to R&TC Section 19521 (formerly 19269), the adjusted interest rate has been determined for the period July 1, 2010, through December 31, 2010. The adjusted interest rate is four percent. This is the rate compounded daily that accrues with respect to various state taxes including: personal income, corporate income, and franchise. The rate for corporation tax overpayments for the period is zero percent. If you are interested in viewing the previous interest and estimate penalty rates, go to and search for interest rates.

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