Case T-586/19: Judgment of the General Court of 16 June 2021 — PL v Commission (Civil service — Officials — Career development report — 2017 assessment exercise — Appointment of the assessor — Article 22a of the Staff Regulations — General implementing provisions for Article 43 of the Staff Regulations — Duty to have regard for the welfare of officials — Reasonable time — Principle of impartiality — Article 41 of the Charter of Fundamental Rights — Obligation to state reasons — Article 26 of the Staff Regulations — Rights of the defence)