Here's the relevant registration website:
http://www.calgary.ca/portal/server....ur+Licence.htm
Also,
From City of Calgary Phamphlet:
http://www.calgary.ca/docgallery/bu/..._ownership.pdf
Quote:
"Licensing & Identification:
All dogs residing in the city of Calgary, 3 months of age and older, must be licensed. The City of Calgary enforces a zero tolerance policy on all unlicensed dogs with the fine for no licence being $250."