Case C-589/13: Judgment of the Court (Fifth Chamber) of 17 September 2015 (request for a preliminary ruling from the Verwaltungsgerichtshof — Austria) — procedure brought by F.E. Familienprivatstiftung Eisenstadt (Reference for a preliminary ruling — Free movement of capital — Article 56 EC — Interim taxation of capital gains and income from the disposal of holdings by a national foundation — Refusal of right to deduct from the taxable amount gifts to non-resident beneficiaries exempt from tax in the Member State of the foundation under a double taxation convention)