• How do you declare tax when one partner works for an EU institution and the other in Luxembourg?

  The possibility of filing a joint tax return in Luxembourg depends on the type of union (marriage or PACS), but above all on the tax residence of the partner employed by a European institution. In other words: marriage or PACS alone is not sufficient; it is first necessary to determine where the partner is a tax resident. The salary of European Union officials and staff is exempt from tax in the country where they are posted. However, their other income (e.g., rental income, investmentSome readers

• What are the tax obligations for couples where one partner is employed by an EU institution and the other receives a salary in Luxembourg?

  For married couples or registered partnerships where one partner is an employee of an EU institution and the other receives a salary in Luxembourg, here are the relevant tax rules to be aware of: Income of an employee of an EU institution: Income received by an employee of an EU institution is exempt from tax in Luxembourg and does not need to be included in the Luxembourg tax return. However, it is necessary to provide an employment certificate issued by the EU institution for the tax yearFew readers