Vert roll bar requirement for autocross?

[OhIIICobra]

My buddy has a stock C5 vert and wants to know if there is a SCCA roll bar requirement? I looked in the SCCA rules, but didn't see anything? Anyone?

 

[WPGFORDGUY]

not needed in solo II, not sure on Prosolo or Solo I


www.scca.org has the rules listes