The CRA Guidance on Fundraising for Canadian charities is located on the CRA website at http://www.cra-arc.gc.ca/chrts-gvng/chrts/plcy/cps/cps-028-eng.html
Additionally I have created a bigger font version at:
https://cancharlaw.thewire.dev/uploads/Guidance_on_Fundraising_from_CRA.pdf
Also here is a consolidated bigger font version of the Guidance from CLIP with Guidance and additional information together in one document
http://www.capacitybuilders.ca/clip/clip-resources.php