Judgment of the Court (First Chamber) of 11 January 2024.#Global Ink Trade Kft. v Nemzeti Adó- és Vámhivatal Fellebbviteli Igazgatósága.#Reference for a preliminary ruling – Common system of value added tax (VAT) – Directive 2006/112/EC – Refusal of the right of deduction – Obligations of taxable persons – Duty of diligence – Burden of proof – Principles of fiscal neutrality and legal certainty – Primacy of EU law – Conflict between the case-law of a national court and EU law.#Case C-537/22.