Saftey equipment for 10s ?

Axles, drive shaft loop, SFI 16.1 seat belts,fire extinguisher,SFI 29.1 flex plate,SFI 18.1 balancer,SN 90 helmet, master kill switch,SFI 3.2A/1 Jacket,Roll cage on cars with modified floor and or firewall, 6 point cage with stock floors and firewall,SFI 4.1 trans shield, window net on cars with a full cage.

All this stuff has been checked on my car at one point or another except for the flex plate. How are they supposed to see that?