So apparently I don't have to file the form 8833 because my income is reported on a 1042-S (my W-2 shows an income of 0)... That's what I understood from what I...

Thanks, it's just that on my tax summary (prepared with my employer early 2017), it says both "non-resident alien for US tax purpose" and "resident alien", so i...

I arrived on the 30th of December 2015, in order to start my work (Research scholar) in early January 2016. Which means the system consider 2015 as my first cal...

In 2016 I was considered a non-resident alien "completely" and I could use Sprintax/1040NR-EZ forms without problem. In 2017 according to my tax summary I was a...