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City of Los Angeles
Office of Finance

Interest Rates

Interest is due on delinquent business and other taxes, and is payable on business tax refunds. Additional interest accrues with each month in delinquency. The interest rate is re-calculated annually to reflect the average Federal short-term rate plus 3 percentage points. 

Tax Year Monthly Interest Rate
2008 0.7%
2007 0.7%
2006 0.6%
2005 0.5%
2004 0.4%
2003 0.5%
2002 0.6%

For 2001 and prior years, interest accrued at a rate of 1.25% per month.