Each year I help over 500 clients file their Canadian and US tax returns as well as plan for both their Canadian and US investment accounts. I also regularly help new US clients plan for their move to Canada.
Beginning July 1, 2010, all gst/hst registrants with annual taxable supplies over $1.5 million (in addition to some other less common situations contained within the release) will be required to filing electronically.
Although these changes are only in effect for those mentioned above, the Government encourages all registrant to filing their gst/hst returns electronically.
The full release can be viewed here.