translate English to French: If the Chairperson ceases to be a member of the Committee in the period between sessions or is in any of the situations referred to in rule 20, the Acting Chairperson shall exercise this function until the beginning of the next ordinary or special session.
Lorsqu'il y a deux ou plusieurs candidats à l'un des postes du Bureau, ou si le Comité en décide ainsi, il est procédé à un vote.