++++ 1. Officials - Actions - Prior administrative complaint - Conditions with regard to form - Complaint prepared by the official' s lawyer - Signature of the person concerned - Not an essential formality (Staff Regulations, Art. 90) ) 2. Officials - Leave - Annual leave - Carrying over of leave - Reasons relating to the requirements of the service - Justification by any means of proof (Staff Regulations, Art. 57; Annex V, Art. 4, first para.)