Judgment of the Court (Seventh Chamber) of 28 October 2021.#Proceedings brought by A Oy and B Oy.#Requests for a preliminary ruling from the Korkein hallinto-oikeus.#Reference for a preliminary ruling – Taxation – Directive 92/83/EEC – Excise duty – Beer – Article 4(2) – Possibility to apply reduced rates of excise duty to beer brewed by independent small breweries – Treatment as a single independent small brewery or as two or more small breweries – Obligation to transpose.#Joined Cases C-221/20 and C-223/20.