I have a full-time job in Qc and it is my tax home. I got a contract in NYC in 2008 and received a W-2 for it. I was commuting back and forth from Qc to NYC, every other week for 2 days, on a TN visa. In the contract with my US employer it was specified that a travel allowance would be added to my salary to cover for airfares, meals, lodging, taxis, etc. necessary for carrying out my contract.
I have done my US taxes, and there it's pretty simple, I simply claimed all those expenses as employee expenses, and that was it. In Canada, however, it's been a nightmare to figuring out what's going on. There is the option to deduct employee expenses, but I cannot find any mention of the possibility to deduct airfares, for example. I am utterly confused, given that in the end it was a big chunk of my travel expenses. The problem is that the examples given in the CRA publications seem to all apply to employees of Canadian corporations, not people in my situation. What am I supposed to do? More specifically:
* Can I simply include airfares in "Motor Vehicle Expenses" or "Other expenses", or am I just not allowed to claim airfares?
* Would that change if I was to report this income as self-employment income? Am I even allowed to do that in Canada, given I received a W-2 instead of a 1099?
* When claiming the foreign tax credit, there seems to be a mention in the tax treaty that I can also claim the social security contributions made in the US (but the language used is so convoluted...). Is that so? What about medicare contributions?
Thanks a lot for your help, I've been trying to figure out all this for the past 48 hours!!!



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