Case T-519/19: Judgment of the General Court of 10 February 2021 — Forte v Parliament (Institutional law — Single statute for Members of the European Parliament — Members of the European Parliament elected in Italian constituencies — Adoption by the Ufficio di Presidenza della Camera dei deputati (Office of the President of the Italian Chamber of Deputies, Italy) of Decision No 14/2018, on pensions — Adjustment of the amount of pensions for Italian national deputies — Corresponding amendment by the European Parliament of the amount of the pensions of certain former Members of the European Parliament elected in Italy — Competence of the author of the act — Obligation to state reasons — Acquired rights — Legal certainty — Legitimate expectations — Right to property — Proportionality — Equal treatment)