It is not about paying taxes as its likely she was not paying any to the US. This is what the unique tax treaties cover. You still however have to prove this every year.
One of the worst parts about this situation is the difficulty in investing from abroad. Can't buy US ETFs/Mutual funds because they don't report properly abroad and can't buy foreign ETFs/Mutual funds because they don't want to report to US. This is a totally unnecessary financial burden on US Expats.
One of the worst parts about this situation is the difficulty in investing from abroad. Can't buy US ETFs/Mutual funds because they don't report properly abroad and can't buy foreign ETFs/Mutual funds because they don't want to report to US. This is a totally unnecessary financial burden on US Expats.