Case C-691/17: Judgment of the Court (Tenth Chamber) of 11 April 2019 (request for a preliminary ruling from the Fővárosi Közigazgatási és Munkaügyi Bíróság — Hungary) — PORR Építési Kft. v Nemzeti Adó- és Vámhivatal Fellebbviteli Igazgatósága (Reference for a preliminary ruling — Taxation — Common system of value added tax — Directive 2006/112/EC — Right to deduct value added tax (VAT) paid as input tax — Article 199(1)(a) — Reverse charge procedure — Undue payment of the tax by the recipient of services to the suppliers on the basis of an invoice drawn up incorrectly according to the rules on ordinary taxation — Tax authority’s decision holding that the recipient of services has an outstanding tax liability and refusing a claim for deduction — No examination by the tax authority of the possibility of reimbursement of the tax)