Important Dates

January 15, 2018

Source deductions balance payable from the prior year

February 28, 2018

T4, T5 filing deadline

March 1, 2018

RRSP contribution deadline

March 15, 2018

First personal tax instalment due

April 2, 2018

General trust return deadline
Partnership information return deadline

April 30, 2018

Individual tax return deadline
Self-employed GST balance due

June 15, 2018

Self-employed individual tax return filing deadline (taxes payable due April 30)
Second personal tax instalment due

July 2, 2018

Contract payment reporting information return deadline
(or six months after your reporting period if it is not December 31)

September 17, 2018

Third personal tax instalment date

December 17, 2018

Fourth personal tax instalment date