Judgment of the Court (Fourth Chamber) of 21 November 2019.#CeDe Group AB v KAN Sp. z o.o. in bankruptcy.#Request for a preliminary ruling from the Högsta domstolen.#Reference for a preliminary ruling — Regulation (EC) No 1346/2000 — Articles 4 and 6 — Insolvency proceedings — Applicable law — European order for payment procedure — Failure to pay a contractual claim before bankruptcy — Exception of set-off based on a contractual claim arising prior to bankruptcy.#Case C-198/18.