By services, 17 April, 2018 21 February 2018 External T.I. 2017-0696851E5 - Medical expense tax credit
By services, 17 April, 2018 21 February 2018 External T.I. 2017-0692561E5 - adoption expense tax credit
By services, 27 February, 2018 22 December 2017 External T.I. 2017-0699941E5 - medical expense tax credit
By services, 26 October, 2017 2 February 2009 External T.I. 2008-0267551E5 - Requirement to issue T4A - tuition paid
By services, 18 July, 2017 15 June 2017 Ministerial Correspondence 2017-0698561M4 - Listed personal property and registered charities
By services, 13 July, 2017 10 December 2009 Ministerial Correspondence 2009-0331261M4 - HRTC - furnace and financing costs