) ▁and ▁elect s ▁various ▁comm itte es . ▁ ▁The ▁right ▁to ▁vote ▁on ▁matters ▁brought ▁before ▁the ▁Assembly ▁var ies ▁according ▁to ▁the ▁type ▁of ▁business ▁under ▁discussion . ▁The ▁Stat utes ▁consider ▁such ▁business ▁to ▁be ▁divided ▁into ▁two ▁categories : ▁▁ ▁issues ▁of ▁a ▁" prim arily ▁scientific ▁nature " ▁( as ▁determined ▁by ▁the ▁Executive ▁Committee ), ▁upon ▁which ▁voting ▁is ▁restricted ▁to ▁individual ▁members , ▁and ▁ ▁all ▁other ▁matters ▁( such ▁as ▁Stat ute ▁revision ▁and ▁proced ural ▁questions ), ▁upon ▁which ▁voting ▁is ▁restricted ▁to ▁the ▁represent atives ▁of ▁national ▁members . ▁ ▁On ▁budget ▁matters ▁( which ▁fall ▁into ▁the ▁second ▁category ), ▁votes ▁are ▁weight ed ▁according ▁to ▁the ▁relative ▁subscription ▁levels ▁of ▁the ▁national ▁members . ▁A ▁second ▁category ▁vote ▁requires ▁a ▁turn out ▁of ▁at ▁least ▁two - third s ▁of ▁national ▁members ▁in ▁order ▁to ▁be ▁valid . ▁An ▁absolute ▁majority ▁is ▁sufficient ▁for ▁appro val ▁in ▁any ▁vote , ▁except ▁for ▁Stat ute ▁revision ▁which ▁requires ▁a ▁two - third s ▁majority . ▁An ▁equality ▁of ▁votes ▁is ▁resolved ▁by ▁the ▁vote ▁of ▁the ▁President ▁of ▁the ▁Union . ▁ ▁List ▁of ▁national ▁members ▁ ▁Africa ▁▁▁▁▁▁▁▁▁▁▁ ▁( Observer ) ▁▁ ▁( Observer ) ▁▁ ▁( Observer ) ▁ ▁Asia ▁▁▁▁▁▁▁▁▁▁▁ ▁( S us p ended ) ▁▁▁▁▁▁ ▁( S us p ended ) ▁▁▁▁▁▁▁▁▁▁ ▁( Inter im ) ▁▁▁▁ ▁( Inter im ) ▁▁▁▁ ▁( Inter im ) ▁▁▁▁ ▁( S us p ended ) ▁▁ ▁( Observer