Date	Obligation
Mar 2	T4/T5 Information Returns (2025)
Mar 2	RRSP Contribution Deadline (2025)
Apr 30	T1 Personal Tax (filing + payment)
Apr 30	GST/HST Annual (payment due)
Jun 15	T1 Self-Employed (filing only)
Jun 15	GST/HST Annual (filing due)
6 mo after YE	T2 Corporate Tax (filing)
1 mo after QE	GST/HST Quarterly Returns

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