Mineral Tax Interest Rates

For overdue balances and credits interest rates are set on a quarterly basis each year.

Overdue Balances

If you paid your taxes after the due date, you’ll be charged interest at these rates:

Quarter Year
2020 2019 2018 2017 2016 2015 2014 2013 2012
January 1 – March 31 6.95 6.95 6.20 5.70 5.70 6.00 6.00 6.00 6.00
April 1 – June 30 5.95 6.95 6.45 5.70 5.70 5.85 6.00 6.00 6.00
July 1 – September 30   6.95 6.45 5.70 5.70 5.85 6.00 6.00 6.00
October 1 – December 31   6.95 6.70 6.20 5.70 5.70 6.00 6.00 6.00

Credits

If you overpaid your taxes by more than $10.00, you’ll earn interest at these rates:

Quarter Year
2020 2019 2018 2017 2016 2015 2014 2013 2012
January 1 – March 31 1.95 1.95 1.20 0.70 0.70 1.00 1.00 1.00 1.00
April 1 – June 30 0.95 1.95 1.45 0.70 0.70 0.85 1.00 1.00 1.00
July 1 – September 30   1.95 1.45 0.70 0.70 0.85 1.00 1.00 1.00
October 1 – December 31   1.95 1.70 1.20 0.70 0.70 1.00 1.00 1.00