Important notice
Changes have been announced to the Ontario basic income tax rate. Go to What's new for corporations.
The Ontario basic income tax rate is:
The tax is prorated based on the number of days in the year when the tax year straddles these dates.
The Ontario small business deduction reduces Ontario basic income tax, resulting in a lower tax rate of 4.5%. Before July 1, 2010, the small business lower tax rate was 5.5%.
The T2 return includes the following Ontario corporation taxes:
You can use Schedule 500, Ontario Corporation Tax Calculation, to calculate your Ontario basic income tax. Schedule 500 is a worksheet and does not have to be filed with your return.
On line 270 of Schedule 5, Tax Calculation Supplementary - Corporations, enter the amount of basic income tax calculated.
The Ontario transitional tax debits and credits provide a transition from the Corporations Tax Act (Ontario) for corporations with different income tax attributes for federal and Ontario purposes.
Ontario offers different tax credits. Details of each credit can be found in the following pages and their associated schedules: