28-Feb
Filing deadline – T4,T4A, T5 slips and summary information returns
Payment deadline – final corporate tax balance due for non-CCPCs with calendar year-ends

1-Mar
RRSP contributions deadline

15-Mar
Payment deadline – First quarter personal tax installment due

31-Mar
Filing deadline – partnership annual information return (T5013)
Filing deadline – trusts having a calendar year-end (T3)
Payment deadline – final corporate tax balance due for CCPCs with calendar year-ends
Filing deadline – HST/GST annual return for other than self-employed
Filing deadline – Non-Resident Tax Withholding, Remitting, and Reporting (NR4) return

30-Apr
Filing deadline – Canadian personal income tax return (other than self-employed)
Filing deadline – S.216 non-resident income tax return (without approved NR6)
Payment deadline – final tax balance due for individual and self-employed
Payment deadline – HST/GST balance due for individual and self-employed

15-Jun
Second quarter personal tax installment due
Filing deadline – Canadian personal income tax return (self-employed)
Filing deadline – HST/GST annual return for self-employed

30-Jun
Filing deadline – Corporate income tax returns for calendar year-end corporations

15-Sep
Third quarter personal tax installment due

15-Dec
Fourth quarter personal tax installment due