However, working in a foreign country often goes hand in hand with facing the task of complying with unfamiliar tax legislation. Many taxpayers, companies as well as individuals, are not aware of all the ins and outs of the Belgian tax system and have trouble finding their way around the many tax codes, exemptions and deductions available. It is a well-known fact that our “Byzantine” tax laws represent the most serious problem for taxpayers. Living and working in Belgium. Signup for our newsletter.