Do successive motions for class certification restart the fourteen-day period under Federal Rule of Civil Procedure 23(f) for seeking permission to appeal an order granting or denying class certification?

question presented is: Do successive motions for class certification restart the fourteen-day period under Federal Rule of Civil Procedure 23(f) for seeking permission to appeal an order granting or denying class certification? 2. Federal courts use the term “fail-safe” to describe a class whose individual membership only includes those found to have a valid claim against the defendants on the merits. The question presented is: Does Federal Rule of Civil Procedure 23 permit certification of a “fail-safe” class?