++++ 1. Officials ° Actions ° Interest in bringing proceedings ° Action by a candidate for a vacant post against appointment of another candidate ° Neither candidate satisfying the conditions of the vacancy notice ° Admissibility by reason of the applicant' s interest where the post has been filled in accordance with other conditions (Staff Regulations, Art. 91) 2. Officials ° Organization of services ° Detailed list of posts ° Legal status ° None 3. Officials ° Promotion ° Consideration of comparative merits ° Discretion of the administration ° Limits ° Compliance with the conditions laid down by vacancy notice (Staff Regulations, Art. 45) 4. Officials ° Administration' s obligation of assistance ° Scope (Staff Regulations, Art. 24)