Important notice
Changes have been announced to the Saskatchewan small business income tax rate rate. See What's new for corporations.
The lower rate of Saskatchewan income tax is 4.5%.
The income eligible for the lower rate is determined using the Saskatchewan business limit of $500,000.
The higher rate of Saskatchewan income tax is 12%.
This higher rate applies to all income not eligible for the lower rate.
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.
Saskatchewan offers different tax credits. Details of each credit can be found in the following pages and their associated schedules: