By services, 17 December, 2016 20 May 2011 Roundtable, 2011-0398491C6 - CLHIA 2011 - CRA & Comfort Letters
By services, 17 December, 2016 11 January 2012 External T.I. 2011-0410641E5 - Ordering of tax credits and charitable gifts
By services, 17 December, 2016 10 May 2011 External T.I. 2010-0388751E5 - Charitable donation credit versus business expense
