Judgment of the Court (Ninth Chamber) of 25 February 2021.#Bartosch Airport Supply Services GmbH v Zollamt Wien.#Request for a preliminary ruling from the Verwaltungsgerichtshof.#Reference for a preliminary ruling – Common Customs Tariff – Combined Nomenclature – Tariff classification – Tariff heading 8701 and Tariff heading 8705 – Interpretation – Aircraft tractor.#Case C-772/19.