Summary of Important Dates for businesses

Sole proprietorships and partnerships

Corporations

Monthly, by
the 15th

Remit the payroll deductions from your employees' pay cheques, along with your part of Canada Pension Plan (CPP) contributions and Employment Insurance (EI) premiums, by the 15th of the following month.

Last day of
February

File your T4 and T4A slips along with the related Summary form. Distribute the slips to your employees.

Last day of February

File your T4 and T4A slips along with the related Summary form. Distribute the slips to your employees.

Monthly

Remit the payroll deductions from
your employees' paycheques to us, along with your portion of Canada Pension Plan (CPP) contributions and Employment Insurance (EI) premiums, by the fifteenth of the following month.

March 15

If you are self-employed, make your first instalment payment of tax and CPP contributions.

Monthly

Corporations have to pay instalments of their current-year taxes, by the last day of each month.

March 31

Partnerships (except those made up of corporations, or a combination of individuals, corporations, or trusts with different filing dates) that are required, must file a partnership information return.

Two months from your taxation year-end

The balance of the corporation tax payable is due.

April 30

File your T1 personal income tax and benefit return for the previous year. Pay any tax amounts owing. Self-employed individuals and their spouses or common-law partners have until June 15 to file their returns.

Three months from your taxation year-end

For corporations claiming the small business deduction, the balance of the corporation tax payable is due.

June 15

If you are self-employed, make your second instalment payment. Self-employed individuals (and their spouses or common-law partners) must file their T1 personal income tax and benefit returns. However, you have to pay any balance owing by April 30, to avoid interest charges.

Six months from your taxation year-end

Corporations must file a T2 Corporation Income Tax Return no later than six months after the corporation's year-end.

September 15

If you are self-employed, make your third instalment payment of tax and CPP contributions.

December 15

If you are self-employed, make your fourth instalment payment of tax and CPP contributions.

December 31

For farmers and fishers, calculate and pay the amount of your current-year instalment payment.