++++ 1.Officials - Actions - Action against a decision rejecting a complaint - Admissibility ( Staff Regulations, Arts 90 and 91 ) 2.Officials - Actions - Purpose - Order directed to the administration - Inadmissible ( EEC Treaty, Art . 176; Staff Regulations, Art . 91 ) 3.Officials - Staff Regulations - Mandatory provisions - Derogations - Prohibition 4.Officials - Recruitment - Vacant post - Candidates eligible for promotion - Right to promotion - None ( Staff Regulations, Arts 29(1)(a ) and 45(1 ) ) 5.Officials - Secondment in the interests of the service - Reinstatement - Right to maintenance of grade conferred in the post to which an official is seconded - None ( Staff Regulations, Art . 38 )