Grand Prix Rejects

This is what I found in the Code of the FIA A protest against the entry of a competitor or driver, or against the length of the course must be lodged, at the latest, two hours after the closing time for the official scrutineering of the vehicles. and this If, in events forming part of a FIA Champion...

How do we know the FIA? It's always the same, the teams run legally until the appeal. I predict the diffuser will be declared legal, but the rules will most likely change so they can't be used anymore. In the past it's always been so, and now Ferrari and McLaren have many troubles keeping up, I gues...