Hello, I'm getting a little confused with taxes...

My situation: I was in optional training for the whole 2006 year. I'm from Spain and I have an exempt taxes treaty. I didn't leave the country for more than a year. And I worked in several jobs.

So I understand that since I didn't leave, I have to file a normal 1040 instead of the non-resident and because of that I'm not allowed to use the treaty? Is that correct?

Thanks for your help!

Assume you mean OPT.

If so, your visa status (F-1 or J-1) STILL applies, as your OPT is considered an extension of your schooling.

Hence, you can STILL claim the treaty exemption.