JANUARY
1st
New Source Deductions for employees
New TD1, TD1 ONT for employees
11th
Source Deductions Due Threshold 1
15th
December Source Deductions Due
25th
Source Deductions Due Threshold 1
February
1st
Quarterly HST return due for calendar year filers (Oct/Nov/Dec)
10th
Source Deductions Due Threshold 1
14th
Reimburse employer for company car operating costs, to reduce operating benefit
15th
January Source Deductions Due
25th
Source Deductions Due Threshold 1
28th
Prepare Income Tax info for accountant
MARCH
1st
T4 & T5 Summary and Supplementary Due
RRSP Contribution Deadline
10th
Source Deductions Due Threshold 1
15th
February Source Deductions Due
EHT Return (Salary over $1,000,000)
Quarterly Income Tax Instalment for 2021
25th
Source Deductions Due Threshold 1
31st
Partnership Returns (T5013)
Annual HST Return (if applicable)
Family Trust Returns (T3)
WSIB Annual return due
APRIL
12th
Source Deductions Due Threshold 1
15th
March Source Deductions Due
US Income Tax Due
26th
Source Deductions Due Threshold 1
30th
2020 Income Tax Due
Self Employed Individuals Payment Due
Quarterly HST return due for calendar year filers (Jan/Feb/Mar)
MAY
10th
Source Deductions Due Threshold 1
17th
April Source Deductions Due
25th
Source Deductions Due Threshold 1
JUNE
10th
Source Deductions Due Threshold 1
15th
May Source Deductions Due
Income Tax Returns Due for Self Employed Individuals
Annual HST Return (if applicable)
Quarterly Income Tax Instalment for 2021
25th
Source Deductions Due Threshold 1
JULY
2nd
Watch for Changes to Employee’s Source Deductions
12th
Source Deductions Due Threshold 1
15th
June Source Deductions Due
26th
Source Deductions Due Threshold 1
AUGUST
3rd
Quarterly HST Return for calendar year filers (Apr/May/June)
10th
Source Deductions Due Threshold 1
16th
July Source Deductions Due
25th
Source Deductions Due Threshold 1
SEPTEMBER
10th
Source Deductions Due Threshold 1
15th
August Source Deductions Due
Quarterly Income Tax Instalment for 2021
27th
Source Deductions Due Threshold 1
OCTOBER
11th
Source Deductions Due Threshold 1
15th
September Source Deductions Due
25th
Source Deductions Due Threshold 1
NOVEMBER
1st
Quarterly HST Return for calendar year filers (July/Aug/Sept)
10th
Source Deductions Due Threshold 1
15th
October Source Deductions Due
25th
Source Deductions Due Threshold 1
DECEMBER
10th
Source Deductions Due Threshold 1
15th
November Source Deductions Due
Quarterly Income Tax Instalment for 2021
27th
Source Deductions Due Threshold 1
31st
Family Trust Distributions
Auto Odometer Reading
* T5018 returns are due six months after year end