Saskatchewan – Provincial corporation tax

Important notice

A decrease in the lower rate of Saskatchewan corporation income tax has been announced. See what's new for Saskatchewan corporations.  

Lower rate

The lower rate of Saskatchewan income tax is 2%.

Income eligible for this lower rate is determined using the Saskatchewan business limit of $600,000, effective January 1, 2018. It was previously $500,000.

Higher rate

The higher rate of Saskatchewan income tax is 12% effective January 1, 2018. It was previously 11.5%.

This higher rate applies to all income not eligible for the lower rate.

If the business limit or the rate changes during the tax year, you have to base your calculation on the number of days in the year that each business limit or rate is in effect.

For more information, see Dual tax rates.

Reporting the tax

You can use Schedule 411, Saskatchewan Corporation Tax Calculation, to help you calculate your Saskatchewan tax before the application of credits. You do not have to file it with the return. See the schedule for more details.

On line 235 of Schedule 5, Tax Calculation Supplementary – Corporations, enter the amount of tax calculated.

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