Judgment of the Court (Sixth Chamber) of 10 March 2022.#European Commission v Kingdom of Belgium.#Failure of a Member State to fulfil obligations – Article 45 TFEU – Article 28 of the Agreement on the European Economic Area – Free movement of workers – Direct taxation – Income tax – Deductions – Maintenance annuities – Equal treatment – Discrimination between resident and non-resident taxpayers.#Case C-60/21.