Posted: Tue Mar 11, 2008 10:07 am-
It's not clear what your situation is, are you in a non-immigrant status and working temporarily in the US? If you're not a permanent resident you can file Form 8840 and not pay any US tax at all, you simply file a 1040NR, claim the tax treaty exemption and pay zero income tax in the US. Then you file a T1 in Canada and claim the married person's allowance as normal. What it says on your US return is pretty much academic as long as it has the W-2 and W-9 information on there.
The only reason to do it any other way is if you want to pay less tax, i.e. claim non-resident status from Canada, however if your wife lives in Canada and you are still together you cannot do that, as that is a "substantial tie". So your only real option is to do it the way I just described above. (Unless she claims residency in the US via your 1040, which is what your accountant is on about, but then you're into the whole mess with proving non-residency from Canada which is impossible in the case of your wife).
Really the people to be talking to are the CRA, not an accountant in the US as having a spouse in Canada makes it an unusual situation. Have a look at the instructions for the non-resident T1. However, if you still have residency in a Province (which I'm pretty sure you do have, the residency would be the province where your wife resides) then you just use the T1 from that province. But check with the CRA.
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Steve.