Check out Interpritation Bulletin 304R2, Paragraph 6 -
http://www.cra-arc.gc.ca/E/pub/tp/it...it304r2-e.html
From what I gather, you get a proportional interest in items such as land, parking lot & other common areas, and this must be seperated out for CCA purposes, even though your condo doesn't necessarily have a land component (unless it's a ground unit which has a balcony or something of that nature). Your proportional interest, apparantly per paragraph 2c), should be in documents filed with the land registry.
re: the rollover/change in use - not sure about any filings...I'll look