++++ 1. Appeals ° Intervention ° Retention in the proceedings before the Court of Justice of the capacity of intervener acquired during the proceedings before the Court of First Instance (EEC Statute of the Court of Justice, Art. 49) 2. Officials ° Social security ° Sickness insurance ° Sickness expenses ° Reimbursement ceilings ° Permissibility (Staff Regulations of Officials, Art. 72(1)) 3. Appeals ° Pleas in law ° Plea directed against a ground of the judgment not necessary as a basis for its operative part ° Nugatory