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. Interest rates do not apply to the Estate Administration Tax Act, 1998. Current interest rates (April 1, 2025 to June 30, 2025): * 8% on taxes you owe to the ministry * 2% on taxes you overpaid * 5% on taxes or refunds you are eligible for as a result of a successful appeal or objection * 6% on late International Fuel Tax Agreement payments * 6% 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 the Ministry of Finance to the date the rebate or refund is paid. (2) On refunds you are eligible for as a result of a successful appeal or objection of a NRST refund/rebate disallowance, the interest rate is the same rate as though you had overpaid and will begin to accrue 40 business days after a complete NRST rebate or refund application is received by the Ministry of Finance to the date the rebate or refund is paid. Refunds as a result of a successful appeal or objection of NRST that was paid pursuant to a Notice of Assessment, interest will accrue at the higher appeals/objection rate, beginning to accrue from the date of payment to the date the rebate or refund is paid.
Made available by the Government of Ontario
These resources are not under the control of the Government of Canada and the link is provided solely for the convenience of our website visitors. We are not responsible for the accuracy, currency or reliability of the content of this website. The Government of Canada does not offer any guarantee in that regard and is not responsible for the information found through this link.
Visitors should also be aware that information offered by this non-Government of Canada site is not subject to the Privacy Act or the Official Languages Act and may not be accessible to persons with disabilities. The information offered may be available only in the language used by the site. With respect to privacy, visitors should research the privacy policies of this non-government website before providing personal information.
- Publisher - Current Organization Name: Government of Ontario
- Licence: Open Government Licence – Ontario
Data and Resources
-
Tax interest ratesCSVEnglish French dataset CSV