CELEX:62021CJ0406: Judgment of the Court (Tenth Chamber) of 20 October 2022.#A Oy v B Ky and C:n kuolinpesä.#Request for a preliminary ruling from the Korkein oikeus.#Reference for a preliminary ruling – Combating late payment in commercial transactions – Directive 2011/7/EU – Article 12(4) – Temporal scope – Practice established before 16 March 2013 consisting in not recovering interest for late payment or compensation for recovery costs – Practice applied to individual orders placed on or after that date – Article 7(2) and (3) – Grossly unfair contractual terms and practices – Waiver freely agreed to.#Case C-406/21.