++++ 1. Officials ° Actions ° Staff report ° Prior complaint through official channels ° Optional ° Lodging of complaint ° Consequences ° Compliance with procedural constraints attaching to recourse to a prior official complaint (Staff Regulations, Arts 90 and 91) 2. Officials ° Actions ° Prior complaint through official channels ° Legal basis and subject-matter to be the same ° Pleas and arguments not set out in the complaint but closely linked to it ° Admissibility ° Examination by the Court of its own motion that the complaint and the action correspond (Staff Regulations, Arts 90 and 91) 3. Officials ° Reports procedure ° Staff report ° Assessments changed by comparison with previous report ° Duty to state reasons ° Scope (Staff Regulations, Art. 43)