The judgment handed down by the Court of Justice on January 29, 2026, reaffirms a fundamental principle: European Union institutions must clearly state the reasons for their decisions. In this case, the refusal to reclassify an official was overturned due to insufficient reasoning. This judgment emphasizes that institutions cannot remedy a lack of reasoning after the fact and must always respect the rights of the defense and the principle of equality of arms, thereby strengthening transparency and accountability within the European Union administration.