▁fir ms ▁started ▁looking ▁into ▁a ▁possible ▁case ▁of ▁bre ached ▁fid u ci ary ▁duties ▁by ▁Cit iz ens ▁Republic ' s ▁Board ▁of ▁Direct ors . ▁ ▁Sand y ▁Pier ce ▁was ▁appointed ▁in ▁January ▁ 2 0 1 3 ▁as ▁First Mer it ' s ▁vice ▁chair ▁and ▁chairman ▁and ▁CE O ▁of ▁First Mer it ▁Michigan . ▁ ▁In ▁early ▁April , ▁both ▁Bank ▁Corpor ations ' ▁share hold ers ▁approved ▁the ▁mer ger . ▁ ▁On ▁April ▁ 1 2 , ▁ 2 0 1 3 , ▁First ▁Mer it ▁Corporation ▁closed ▁on ▁its ▁ac quisition ▁of ▁the ▁company . ▁On ▁April ▁ 1 3 , ▁it ▁became ▁known ▁as , ▁" C it iz ens ▁Bank : ▁Now ▁part ▁of ▁First Mer it ▁Bank ." ▁ ▁Cit iz ens ▁Bank ing ▁Building ▁The ▁Cit iz ens ▁Bank ing ▁Building ▁is ▁currently ▁the ▁Fl int ▁headquarters ▁for ▁Hun ting ton ▁Bank . ▁The ▁building ▁is ▁more ▁a ▁complex ▁of ▁three ▁buildings , ▁the ▁North , ▁South , ▁and ▁West ▁building , ▁which ▁are ▁inter connected . ▁The ▁ground ▁and ▁second ▁flo ors ▁connect ▁the ▁North ▁and ▁South ▁buildings , ▁while ▁the ▁South ▁and ▁West ▁buildings ▁are ▁connected ▁via ▁the ▁second ▁and ▁third ▁flo ors ▁over ▁Buck ham ▁Al ley . ▁ ▁In ▁ 1 9 2 8 , ▁the ▁South ▁building ▁was ▁built ▁with ▁a ▁lower ▁level ▁v ault ▁with ▁a ▁door ▁we igh ing ▁ 4 3 ▁tons ▁which ▁was ▁then ▁the ▁largest ▁v ault ▁door ▁in