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Canada Tax Deadlines 2026
tax-deadlines-canadaNational
Important civic deadlines and dates. Never miss a tax-deadlines-canada deadline.
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Upcoming Deadlines (1)
Dec
15
Q4 tax installment
Tue, Dec 15, 2026
Last updated: Sat, Apr 18, 2026
Important civic deadlines and dates. Never miss a tax-deadlines-canada deadline.
Tue, Dec 15, 2026
Last updated: Sat, Apr 18, 2026