Here's the link from Skate Canada spokespeople making it official - Peter Tchernyshev will apply for Canadian citizenship so that he and Shae can compete and represent Canada in the 2006 Winter Olympics.
http://www.canada.com/sports/skating/story.html?id=FC961E96-CA07-4009-B887-7AA45E051C71
http://www.canada.com/sports/skating/story.html?id=FC961E96-CA07-4009-B887-7AA45E051C71