Judgment of the Court (Eighth Chamber) of 27 June 2024.#Prysmian Cabluri şi Sisteme SA v Agenţia Naţională de Administrare Fiscală – Direcţia Generală Regională a Finanţelor Publice Craiova – Direcţia Regională Vamală Craiova and Others.#Request for a preliminary ruling from the Tribunalul Olt.#Reference for a preliminary ruling – Customs union – Common Customs Tariff – Combined Nomenclature – Tariff classification – Optical fibre cables – Subheadings 8544 70 00 and 9001 10 90 – Amendment of the Explanatory Notes to the Combined Nomenclature – Principles of legal certainty and protection of legitimate expectations.#Case C-168/23.