The CDTFA has announced the interest rates for underpayments, amounts past due, and overpayments for the period July 1, 2019, through December 31, 2019.
For that period, the interest rate to be applied to underpayments and amounts past due will increase to 9% (currently, 7%).
The interest rate to be applied to overpayments will remain at 2%.
These interest rates apply to the taxes and fees administered by the CDTFA, including sales and use tax, cigarette tax, hazardous substances tax, alcoholic beverage excise tax, motor vehicle fuel tax, use fuel tax, diesel fuel tax, energy resources surcharge, and emergency telephone users surcharge. These rates do not apply to the International Fuel Tax Agreement program.