What are the most important CRA tax reporting deadlines I should know?

Monthly, by the 15th

Payroll deductions are due.

Monthly or Quarterly

Corporate income tax instalments are due on the last day of each month or each quarter. Depending upon your filing frequency your GST/HST are due monthly or quarterly.

Last day of February

T4, T4A and T5 slips along with the related summary form are due. Distribute the slips to your employees.

Two months from your tax year-end

For corporations not earning active income, the balance of corporate income tax payable is due.

Three months from your tax year-end

For Canadian-controlled private corporations claiming the small business deduction, the balance of the corporate tax payable is due.

Six months from your tax year-end

Corporation Income Tax Returns are due.

March 31

Partnership Information Returns of partnerships with individual partners are due.

April 30

Individual Tax Returns are due.

June 15

Sole Proprietor / Self-Employed Tax Returns are due.