Judgment of the Court (First Chamber) of 1 August 2022.#État du Grand-duché de Luxembourg and Administration de l'enregistrement, des domaines et de la TVA v Navitours SARL.#Reference for a preliminary ruling – Taxation – Value added tax (VAT) – Sixth Council Directive 77/388/EEC – Article 2(1) – Scope – Taxable transactions – Article 9(2)(b) – Place where transport services are supplied – Tourist trips on the Moselle – River subject to condominium status.#Case C-294/21.