Owing to the merger, the Rey Commission saw a temporary increase to 14 members—although subsequent Commissions were reduced back to nine, following the formula of one member for small states and two for larger states.
På grund af fusionen voksede Rey-kommissionen midlertidigt til at bestå af 14 medlemmer, omend efterfølgende kommissioner blev reduceret til ni, efter formlen med et medlem for små stater og to for store stater.