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Prescribed Interest Rates for Capital Taxes

Notes

(1) The rates in these tables apply only to underpaid and overpaid capital taxes. Effective 

July 1, 2012 only financial institutions are subject to capital tax (see the table “Capital Tax 

Rates—Financial Institutions”).  These rates would also apply to underpaid or overpaid 

capital taxes of general corporations in earlier years. For the applicable prescribed interest 

rates for personal and corporate income tax debts and refunds, as well as for employee 

and shareholder taxable benefits, low-interest loans and other related-party transactions, 

see the tables “Prescribed Interest Rates—2013” and “Prescribed Interest Rates—2014”. 

(2) Manitoba does not pay refund interest on overpaid capital tax.

(3) The Ontario prescribed rates in the table apply only to tax debts and refunds arising 

from taxation years that ended before 2009.  Interest on Ontario underpaid and overpaid 

taxes for taxation years after 2008 (when Ontario harmonized its corporate tax system) 

is calculated based on the federal prescribed rates (see the tables “Prescribed Interest 

Rates—2013” and “Prescribed Interest Rates—2014”).

(4) Quebec also charges an additional 10% per year on underpaid corporate instalments if 

less than 90% of the amount is paid. 

(5) New Brunswick rates apply to financial institutions capital tax only.  Interest on capital tax 

debts and refunds for general corporations is calculated based on the federal prescribed 

rates (see the tables “Prescribed Interest Rates—2013” and “Prescribed Interest 

Rates—2014”).  

(6) New Brunswick does not pay refund interest on overpaid financial institutions capital tax. 

(7) Nova Scotia no longer pays refund interest on overpaid financial institutions capital taxes 

with retroactive effect.

(8) Prince Edward Island only pays refund interest if it arises as a result of an objection or 

appeal.

Current as of December 31, 2014

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