we have that for salary in France. But other gains (rented properties etc.) are not yet accounted for. Belgium and Germany for example removes the taxes "at th

we have that for salary in France. But other gains (rented properties etc.) are not yet accounted for. Belgium and Germany for example removes the taxes "at the source", which means that when you get your salary you don't have anything else to pay on it, your employer already sent the money to the State. I don't know how they do on other taxable revenues.