Article R1313-13 of the French Public Health Code
Decisions of the Board of Directors are taken by simple majority. Board members each have one vote, with the exception of the representatives of the ministers mentioned in a, b, c, d and e of 1° of article R. 1313-4, who each have five votes. The Board of Directors may only validly deliberate if at least one quarter of its members holding at least half of the votes are present….