February 28
- T4 slips and summary information returns filings
- T5 slips and summary information returns filings
- RRSP contributions
- Payment of balance of non-CCPC corporate taxes with calendar year-ends
March 15
- Payment of first-quarter individual’s income tax installment
March 31
- T3 trusts and estate returns filings
- WSIB annual return filings
- T5013 partnership annual information return filings
- HST return annual filings for other than individuals
- Payment of balance of CCPC corporate taxes with calendar year-ends
April 15
April 30
June 15
- Filings of individual self employed professional and business owners T1 personal tax and HST returns
- Payment of second-quarter individual’s income tax installment
- 1040 USA personal income tax returns for non-residents living (and filing) outside the USA
June 30
- Corporate T2 income tax returns filings for calendar year-end corporations
- T5018 statement of contract payments for calendar year filings
September 15
- Payment of third-quarter individual’s income tax installment
December 15
- Payment of fourth-quarter last individual’s income tax installment
December 31
- Sale of capital property to trigger capital gains and losses
- Make donations
Quarterly
Last day of month
Monthly
Last day of following month
Last day of month
- Corporate tax installments
The 15th of each month
- ETD (employee payroll tax deductions) payments