Judgment of the Court (Seventh Chamber) of 6 October 2021.#Boehringer Ingelheim RCV GmbH & Co. KG Magyarországi Fióktelepe v Nemzeti Adó- és Vámhivatal Fellebbviteli Igazgatósága.#Request for a preliminary ruling from the Fővárosi Törvényszék.#Reference for a preliminary ruling – Value added tax (VAT) – Directive 2006/112/EC – Article 90(1) – Reduction of the taxable amount where the price was reduced after the supply took place – Payment made by a pharmaceutical company to the State health insurance agency – Article 273 – Administrative obligations imposed by national legislation for the exercise of the right to reduction – Principles of fiscal neutrality and proportionality.#Case C-717/19.