+1(514) 937-9445 or Toll-free (Canada & US) +1 (888) 947-9445
Inland - Check here - http://www.cic.gc.ca/english/information/applications/spouse.asp

Outland - check here - http://www.cic.gc.ca/english/information/applications/fc.asp

There's a new Document Checklist in Feb 2016, and new Application to Sponsor in March 2016.
 
look at the dates next to each form. they'll show you which ones are most. download and fill them all out, then on the day you send it double check the website to make sure the dates havent changed.