amend rule procedur adopt committe region sixth plenari session held februari approv council european union meet held march meet held march council european union approv amend rule procedur committe region adopt sixth plenari session held februari articl replac articl bureau elect year consist thirti member includ chairman vice chairman member countri rank vice chairman composit bureau account geograph balanc european commun chairman vice chairman elect plenari assembl discuss absolut major vote cast secret ballot elect place third member present elect chairman vice chairman place separ ballot member bureau elect ballot procedur group list absenc singl list member elect separ ballot absolut major vote cast ballot rel major subsequ ballot bureau draw list fifteen member rank vice chairman submit list plenari assembl endors