Tax Deadlines Canada 2026: Key Dates for Business

A new year has begin and as always, many people are required to pay their taxes on incomes earned in the last year.

Now, here are the key deadlines Canadians will encounter this year:

Personal Tax Deadlines for 2025:

The first deadline information is for the personal taxes.

Tax Deadline for Employment Income Earners

For people earning income in Canada that is not self-employment income, both your tax return and taxes owing are due on April 30, 2026.

This is the most common filing scenario for individuals.

Self-Employed Individuals Tax Deadline:

Either your or your spouse earned a self-employed income? Well, then your tax return deadline is June 16, 2026. (Normally, it would be June 15, but because that day lands on a Sunday in 2025, the CRA ggives you an extra day.)

Keep in mind, however, that any taxes you owe must still be paid by April 30, 2026, even though you have a later filing deadline – odd right?! But thats how it is!

RRSP Contribution Deadline for 2025

You can contribute until March 3, 2026, for it to count toward your 2025 taxes and reduce your tax payable.

Corporation Owners! Following are your Deadlines:

Corporations can have a different deadline as they can be following a fiscal-year end rather than a calendar-year end.

Your corporation tax filing deadline is 6-months after your fiscal year ends but taxes payable are due earlier.

If you are a Canadian Controlled Private Corporation (CCPC), then you will mostly have 3-months to pay your taxes from the fiscal-year end otherwise it is 2-months from the fiscal-year end.

T4, T4A and T5018 Slips Deadline:

Paying significant amounts to individuals or subcontractors? You may have to file T4A slips or T5018 slips.:

T4A slips are for payments to individuals, such as self-employed workers
T5018 slips are for payments to subcontractors in the construction industry
T4 slips are for payroll payments made to employees

All of the above types of information slips are due to be filed with the CRA and delivered to recipients by February 28, 2026.

GST / HST Deadlines

Here, the deadlines depend on GST/HST filing frequency.

For Monthly and Quarterly filers, it is one month from the reporting period end.

For Annual filers, it is three months from the reporting period end.

For Self-Employed filers, filing Annually, their due date is different as the year-end for them is 31st of December:

GST/HST owing is due April 30, 2026
The GST/HST Return filing is due June 15, 2026.

What About T3 or Trust Accounts Filing Deadlines?:

Well, the tax filing deadline for trust accounts is 90 days from the trust’s tax year end.

What about Tax Installments Deadlines?:

If you’re required to make installment payments throughout the year, here are your deadlines:

March 15, 2026
June 15, 2026
September 15, 2026
December 15, 2026

Dont miss those deadlines or you will be subject to interest! Set reminders now!

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2026 Key Tax Deadlines in Canada

Table of Contents

Personal Tax Deadlines for 2025:

Tax Deadline for Employment Income Earners

Self-Employed Individuals Tax Deadline:

RRSP Contribution Deadline for 2025

Corporation Owners! Following are your Deadlines:

T4, T4A and T5018 Slips Deadline:

GST / HST Deadlines

What About T3 or Trust Accounts Filing Deadlines?:

What about Tax Installments Deadlines?:

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