Check ou this page for some really great resources
http://www.quadratec.com/

 

Not sure if this is in the correct spot, but it does pretain to jeeps in quebec or coming into quebec from another province or country. Quebec has another new law as of 15 December 2008 on winter tires. Heres the website:
http://www.mtq.gouv.qc.ca/portal/page/portal/accueil_en

Then go down to SEASONAL INFORMATION

This is in effect from 15th Dec to 15th March