Individuals, who do not reside in Belgium, are required to file a Belgian non-resident income tax return in case they earn income, which is taxable in Belgium. This is a very simple statement, but tax payers and their tax consultants can have a tough time to succeed in actually meeting this obligation. Indeed, it appears in some cases, it is pretty difficult to obtain a valid tax form from the tax authorities. read more...(bron: Ichiban)