The CRA has just released a brochure entitled GI-067 Basic GST/HST Guidelines for Charities http://www.cra-arc.gc.ca/E/pub/gi/gi-067/README.html This will be helpful especially to charities in BC and Ontario that are moving to HST on July 1, 2010.  They have also put out GI-066 How a Charity Calculates the Net Tax to be Reported on its GST/HST Return at http://www.cra-arc.gc.ca/E/pub/gi/gi-066/README.html CRA has also put out a brochure for “Public Institutions” which includes registered charities that are a “school authority, a public college, a university, a hospital authority, or a local authority determined by the CRA to be a municipality” and it is located at http://www.cra-arc.gc.ca/E/pub/gi/gi-068/README.html.