6. If the president is absent or unable to act, the vice-president or, where there are two vice-presidents, the vice-president designated by the president or, failing that, by the Minister shall act as president for the interim. If the office of president is vacant, the vice-president, or where there are two vice-presidents, the vice-president designated by the Minister shall act as president for the interim.
If the president cannot be so replaced owing to the fact that the vice-presidents are both absent or unable to act or that both offices of vice-president are vacant, the Government may appoint another commissioner who shall act as president or appoint an acting commissioner.