Judgment of the Court (Sixth Chamber) of 5 March 2020.#X-GmbH v Finanzamt Z.#Request for a preliminary ruling from the Bundesfinanzhof.#Reference for a preliminary ruling – Taxation – Common system of value added tax – Directive 2006/112/EC – Article 132(1)(c) – Exemptions – Provision of medical care in the exercise of the medical and paramedical professions – Providing services by telephone – Services provided by nurses and medical assistants.#Case C-48/19.