Adjusted interest rates September 2020 Tax News

For the period January 1, 2021 through June 30, 2021, the adjusted interest rate is 3%.[1] This is the rate compounded daily that accrues with respect to various state taxes including: personal income, corporate income and franchise tax.

The rate for personal income tax overpayments for the period is 3%. The rate for corporation tax overpayments for the period is 0%.

Current and prior adjusted interest rates are available on our website. Rates for estimate penalties are also provided.

[1] Pursuant to Section 19521 (formerly 19269) of the Revenue and Taxation Code