Important dates

Every important date you need to know

JANUARY

1st

New Source Deductions for employees

New TD1, TD1 ONT for employees

10th

Source Deductions Due Threshold 1

15th

December Source Deductions Due

25th

Source Deductions Due Threshold 1

31st

Quarterly HST return due for calendar year filers (Oct/Nov/Dec)

February

11th

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

T4 & T5 Summary and Supplementary Due

RRSP Contribution Deadline

MARCH

1st

Prepare Income Tax info for accountant

11th

Source Deductions Due Threshold 1

15th

February Source Deductions Due

Quarterly Income Tax Installment for 2019

EHT Return (Salary over $490,000)

WSIB Annual return due

25th

Source Deductions Due Threshold 1

APRIL

1st

Family Trust Returns (T3)

Partnership Returns (T5013)

Annual HST Return (if applicable)

10th

Source Deductions Due Threshold 1

15th

March Source Deductions Due

US Income Tax Due

25th

Source Deductions Due Threshold 1

30th

2018 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

15th

April Source Deductions Due

27th

Source Deductions Due Threshold 1

JUNE

10th

Source Deductions Due Threshold 1

17th

May Source Deductions Due

Income Tax Returns Due for Self Employed Individuals

Quarterly Income Tax Installment for 2019

Annual HST Return (if applicable)

25th

Source Deductions Due Threshold 1

JULY

2nd

T5018’s Due for Contractor Payments

2nd

Watch for Changes to Employee’s Source Deductions

10th

Source Deductions Due Threshold 1

15th

June Source Deductions Due

25th

Source Deductions Due Threshold 1

AUGUST

1st

Quarterly HST Return for calendar year filers (Apr/May/June)

12th

Source Deductions Due Threshold 1

15th

July Source Deductions Due

26th

Source Deductions Due Threshold 1

SEPTEMBER

10th

Source Deductions Due Threshold 1

16th

August Source Deductions Due

Quarterly Income Tax Installment for 2019

25th

Source Deductions Due Threshold 1

OCTOBER

10th

Source Deductions Due Threshold 1

15th

September Source Deductions Due

25th

Source Deductions Due Threshold 1

31st

Quarterly HST Return for calendar year filers (July/Aug/Sept)

NOVEMBER

11th

Source Deductions Due Threshold 1

15th

October Source Deductions Due

25th

Source Deductions Due Threshold 1

DECEMBER

11th

Source Deductions Due Threshold 1

16th

November Source Deductions Due

Quarterly Income Tax Installment for 2019

25th

Source Deductions Due Threshold 1

31st

Family Trust Distributions

Auto Odometer Reading