▁for ▁the ▁following ▁cases : ▁A do ption ▁of ▁the ▁Constitution ▁law ▁The ▁vote ▁per tain ing ▁to ▁decision ▁to ▁ind ict , ▁arrest , ▁det ent , ▁conf in ement ▁discipl inary ▁action , ▁parliament ary ▁imm unity , ▁in compat ibility , ▁loss ▁of ▁membership , ▁or ▁abandon ment ▁of ▁post . ▁ ▁A ▁three - four th - major ity ▁vote ▁of ▁all ▁sen ators ▁is ▁to ▁be ▁used ▁to ▁decide ▁on ▁susp ension ▁of ▁det ention ▁or ▁ind ict ment ▁of ▁any ▁sen ator . ▁ ▁Le ad ership ▁The ▁President ▁of ▁the ▁Senate ▁is ▁assist ed ▁by ▁two ▁Vice ▁Pres idents ▁who ▁lead ▁the ▁Senate . ▁If ▁the ▁President ▁is ▁unable ▁to ▁perform ▁his / her ▁duties ▁due ▁to ▁ill ness ▁or ▁due ▁to ▁ful fill ing ▁the ▁functions ▁of ▁Act ing ▁Head ▁of ▁State ▁or ▁as ▁a ▁Reg ent , ▁or ▁due ▁to ▁being ▁on ▁a ▁mission ▁abroad , ▁a ▁Vice ▁President ▁shall ▁replace ▁him . ▁( Art icle ▁ 1 1 0 - New ▁of ▁the ▁Constitution ) ▁ ▁The ▁P erman ent ▁Committee ▁of ▁the ▁Senate ▁consists ▁of : ▁ ▁The ▁President ▁of ▁the ▁Senate ▁Two ▁Vice ▁Pres idents ▁of ▁the ▁Senate ▁The ▁Chair man ▁of ▁the ▁nine ▁Comm issions ▁of ▁the ▁Senate ▁ ▁Com position ▁ ▁E lections ▁▁ 2 0 1 8 ▁▁ 2 0 1 2 ▁ ▁List ▁of ▁sen ators ▁in ▁ 2 0 1 8 ▁ ▁List ▁of ▁sen ators ▁in ▁ 2 0 1 2 ▁ ▁See ▁also ▁National