Judgment of the Court (Second Chamber) of 14 January 2021.#Proceedings brought by Kilpailu- ja kuluttajavirasto.#Request for a preliminary ruling from the Korkein hallinto-oikeus.#Reference for a preliminary ruling – Competition – Article 101 TFEU – Agreements, decisions and concerted practices – Manipulation of the bidding procedure – Determination of the duration of the infringement period – Inclusion of the period during which the cartel members implemented the anticompetitive agreement – Economic effects of anticompetitive behaviour – Cessation of the infringement on the definitive award of the contract.#Case C-450/19.