Tax interest rates

Interest is charged if payment is not received by the due date. Remember: if the due date falls on a weekend or holiday, your payment is due the next working day. The Ministry of Finance also applies interest to amounts the ministry owes to individuals and corporations. Tax interest is compounded daily and interest rates are reset every 3 months. Note: Provincial land tax interest rates are not reset every three months. Provincial land tax interest rates are summarized on the provincial land tax webpage. Note: Interest rates do not apply to the Estate Administration Tax Act, 1998. Current interest rates (July 1, 2026 to September 30, 2026): * 7% on taxes you owe to the ministry * 1% on taxes you overpaid * 4% on taxes or refunds you are eligible for as a result of a successful appeal or objection * 5% on late International Fuel Tax Agreement payments * 5% on International Fuel Tax Agreement refunds the ministry has not paid you within 90 days You can download the dataset to view the historical tax interest rates. Non-Resident Speculation Tax (NRST) (1) Interest on tax you overpaid begins to accrue 40 business days after a complete NRST rebate or refund application is received by…

Publisher

Government of Ontario

Resources

3

Catalogue metadata updated

2026-07-08