Ontario tax on taxable income - Form ON428 2026

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The document is Form ON428 for Ontario Tax, detailing the calculation of Ontario tax on taxable income and non-refundable tax credits for the year 2021. It includes sections for determining taxable income brackets, applicable tax rates, and various non-refundable tax credits such as basic personal amounts, caregiver amounts, and medical expenses. The form guides users through calculating their total Ontario tax liability after accounting for credits and deductions.

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In Part A, enter your taxable income from line 26000 of your return. Use this amount to determine which column applies to you based on the specified income brackets.
Complete the calculations for Ontario tax on taxable income by following the instructions for each line, ensuring that you multiply and add amounts as indicated.
Move to Part B and input your non-refundable tax credits. Carefully follow the prompts for each credit, including personal amounts and contributions.
Finally, in Part C, calculate your total Ontario tax by subtracting any applicable credits from your calculated tax amount. Ensure all entries are accurate before finalizing.

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Ontario tax on taxable income - Form ON428 2026

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