Judgment of the Court (Second Chamber) of 8 June 2023.#Union fédérale des consommateurs - Que choisir (UFC - Que choisir) and Consommation, logement et cadre de vie (CLCV) v Premier ministre and Ministre de l’Économie, des Finances et de la Relance.#Reference for a preliminary ruling – Package travel and linked travel arrangements – Directive (EU) 2015/2302 – Article 12(2) to (4) – Termination of a package travel contract – Unavoidable and extraordinary circumstances – COVID-19 pandemic – Refund of payments made by the traveller concerned for a package – Refund in the form of a sum of money or equivalent refund in the form of a credit note (‘voucher’) – Obligation to provide that traveller with a refund not later than 14 days after the relevant contract is terminated – Temporary derogation from that obligation – Adjustment of the temporal effects of a decision taken in accordance with national law annulling national legislation that is contrary to that obligation.#Case C-407/21.