Item 16. Effective 11/1/06: Change GCR sections 18.1.2 and 18.1.3 to read as follows:
18.1.3. Forward braces and portions of the main hoop subject to contact by the driver's helmet (as seated normally and restrained by seatbelt/shoulder harness) shall be padded with non resilient material such as Ethafoam® or Ensolite® with a minimum thickness of one half (1/2) inch. Padding meeting SFI spec 45.1 or FIA 8857-2001 is strongly recommended required.[/b]