++++ 1 . Officials - Actions - Actions having the same subject-matter - conditions ( Staff Regulations, Art . 91 ) 2 . Officials - Representation - Staff Committee - Elections - Regularity - Obligations of the institutions - Scope ( Staff Regulations, Art . 9(2 ); Annex II ) 3 . Officials - Representation - Staff Committee - Elections - Adoption of electoral rules by a general meeting of officials - Period of validity - Modification - Conditions ( Staff Regulations, Art . 9; Annex II, Art . 1 ) 4 . Officials - Representation - Staff Committee - Elections - Adoption of electoral rules by a general meeting of officials - Period which must elapse between the adoption of the electoral rules and the end of the term of office of the outgoing committee - Justification of the date from which the period is to be calculated ( Staff Regulations, Art . 9; Annex II, Art . 1 )