CELEX:62021CJ0056: Judgment of the Court (Second Chamber) of 30 June 2022.#UAB „ARVI“ ir ko v Valstybinė mokesčių inspekcija prie Lietuvos Respublikos finansų ministerijos.#Reference for a preliminary ruling – Taxation – Common system of value added tax (VAT) – Directive 2006/112/EC – Article 137 – Optional tax liability scheme – Conditions – National legislation which makes the right of a taxable person to opt to charge VAT on the sale of immovable property conditional on the transfer of that property to a taxable person already registered for VAT purposes – Obligation to adjust VAT deductions where that condition is not satisfied – Principles of fiscal neutrality, of effectiveness and of proportionality.#Case C-56/21.