Without prejudice to the provisions of articles L. 4122-1-2 and L. 4123-10 and VI of article L. 4124-11, when the number of vacant seats no longer enables a quorum to be reached, the President of the National Council or, at his request, the oldest member of the Council concerned may authorise, by way of exception, the members remaining in office, on the one hand, to hold new elections, if necessary through a new executive elected for this purpose and, on the other hand, to carry out the duties devolved to this Council during this period.