Dates to Remember

Filing Deadlines

February 28, 2018

T4 and T5 information slips for 2017

March 31, 2018

Trust information slips [T3s] for 2017
HST annual returns for corporations with Dec. 31 year-ends

April 30, 2018

Personal tax returns for 2017 (except for the self-employed and their spouses)

June 15, 2018

Personal tax returns for 2017 for the self-employed and their spouses. HST 2017 annual returns for self-employed individuals and the US 2017 tax filing deadline for citizens living outside the USA

June 15, 2018

US 2017 FBAR filing

Payment Deadlines

2017 Personal Tax – April 30, 2018

Balance of tax due for 2017 to avoid additional interest and/or penalties.

2018 Installments

(Required, if your 2016 balance due is greater than $3,000)
March 15, 2018
June 15, 2018
September 15, 2018
December 15, 2018

Payment Deadlines

April 30, 2018

Balance of 2017 GST/HST due for unincorporated business

2018 Installments

(Required if your business is registered to collect HST, is an annual filer and had a prior year balance due greater than $3,000)

May 1, 2018
August 1, 2018
October 31, 2018
January 31, 2019

NOTE: Final payment of amounts owing in excess of installments paid is due on April 30, 2019


It is the responsibility of the business owner to know if installments are required. CRA will not necessarily notify you but will be quick to charge interest if installments were not paid when required.

Other Important Dates

March 1, 2018

Last day to contribute to an RRSP for a deduction on your 2016 tax return.

March 15, 2018

Last day to book an appointment for your 2018 tax preparation and receive the early discount offered.