Judgment of the Court (Fifth Chamber) of 10 June 2021.#Land Oberösterreich v KV.#Request for a preliminary ruling from the Landesgericht Linz.#Reference for a preliminary ruling – Directive 2003/109/EC – Status of third-country nationals who are long-term residents – Article 11 – Right to equal treatment as regards social security, social assistance and social protection – Derogation from the principle of equal treatment in respect of social assistance and social protection – Concept of ‘core benefits’ – Directive 2000/43/EC – Principle of equal treatment between persons irrespective of racial or ethnic origin – Article 2 – Concept of discrimination – Article 21 of the Charter of Fundamental Rights of the European Union – Legislation of a Member State subjecting the grant of housing assistance to third-country nationals who are long-term residents to the condition that they provide proof, in a form specified by that legislation, that they have a basic command of the language of that Member State.#Case C-94/20.