Expat Q&A: The Belgian tax return – how does it work?

During May, the Belgian tax authorities send out tax returns in brown envelopes to all taxpayers. Depending on your situation, you may have some questions about filling in the form! What does the tax return consist of? How should the boxes be completed? What documents do you need to collect? What should you do if you make a mistake? The Expat Welcome Desk explains it all.