I just came across this site...I work more than 50% of the time in the US and the rest in Canada while being contracted by a US firm. Do I file taxes in Canada only or do I have to file in the US as well?
This site is a travel site and not best source for these topics: TN and TD info: http://forums.immigration.com/forumdisp ... -TN-Status For US/Cdn taxes and SS/CPP:forums.serbinski.com/index.php US Marriage-based Immigration: visajourney.com