Where is the latest tax year tax guide?
For T1 personal return, the federal tax guide is
http://www.cra-arc.gc.ca/E/pub/tg/5000-g/5000g-13e.pdf
The provincial tax forms and guides are here
http://www.cra-arc.gc.ca/formspubs/t1gnrl/menu-eng.html
For T2 corporation tax returns,
(update pending)