Judgment of the Court (Third Chamber) of 25 March 2021.#Maria Alvarez y Bejarano and Others v European Commission.#Appeal – Civil service – Staff Regulations of Officials of the European Union – Reform of the Staff Regulations – Regulation (EU, Euratom) No 1023/2013 – New provisions on the reimbursement of annual travel expenses and the grant of travelling time – Link with expatriate or foreign resident status – Plea of illegality – Principles of equal treatment and proportionality – Intensity of judicial review.#Joined Cases C-517/19 P and C-518/19 P.