Earlier quoted context omitted.
> After that you only file income tax returns if you have income from US sources or you become a US resident. Example: So your US corporation "pays" your Ireland corporation, who than pays you in the EU? Would that avoid the income from being considered US sourced?
The US taxes you on wages only if you are within the borders when you do the work. So a noncitizen doing work outside the USA and getting paid by a US customer or employer is not taxable in the USA on those wages. You would not need that intervening corporation in Ireland for income tax reasons but there are probably good business reasons for putting a layer between you and the US company. If you are a US citizen you…
Correct me if I'm wrong, but after that $100K deduction you're essentially paying the higher of the local tax, or the US tax?