January 31: Due date for filing and remitting business-related GST/HST for the previous quarterly reporting period.  Remaining due dates are April 30, July 31 and November 30.

Early February:  Get a copy of the 2010 General Income TAx and Benefit Return backage mailed to you by calling the CRA at 1-800-959-2221. 

February 14, 2011:  CRA starts to process efiled returns

February 28:  T5′s and T4′s must be sent

March 1, 2011: last day to contribute to an RRSP for the 2010 personal tax season

March 15:   Quarterly instalment due if you pay taxes by instalments.  The remainng instalments are due June 15, September 15 and December 15

April 30:  Last day to file 2010 income tax returns and balances due on returns including self employed filers

June 15:  Last day for self-employed persons to file their personal income tax returns

September 30:  Last day for efiling of personal returns

December 31: Last day to convert RRSP and make final contribution if you turn 71 during the year