Case C-394/20: Judgment of the Court (Fifth Chamber) of 21 December 2021 (request for a preliminary ruling from the Finanzgericht Düsseldorf — Germany) — XY v Finanzamt V (Reference for a preliminary ruling — Free movement of capital — Articles 63 and 65 TFEU — National legislation on inheritance tax — Immovable property situated in a Member State — Limited tax liability — Different treatment of residents and non-residents — Right to an allowance on the taxable value — Proportionate reduction in the case of limited tax liability — Liabilities under reserved portions — No deduction in the case of limited tax liability)