Case C-407/21, UFC– Que choisir and CLCV: Judgment of the Court (Second Chamber) of 8 June 2023 (request for a preliminary ruling from the Conseil d’État — France) — Union fédérale des consommateurs — Que choisir (UFC — Que choisir), Consommation, logement et cadre de vie (CLCV) v Premier ministre, 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 which is taken in accordance with national law and which annuls national legislation that is contrary to that obligation)