Please be advised that we do not charge taxes. However, it all depends on the country that you were in.
When clients ask for Tax advice?
The general rule here is that we don't provide tax advice in any shape or form. In these cases, you should always consult a tax accountant/adviser that can inform you of the best way to approach this situation.
What I can inform you though is that there is no automated reporting to tax authorities in relation to account openings/trading.