The other car AX is limited to PCA members and their affiliate members.
One person = One car. It is OK for a member to drive his affiliate's car, and visa versa. The car must have a valid tech sticker.
All the normal AX rules apply. If a driver has not had at least 4 Autocrosses they will be assigned an instructor.
Car must pass tech(brakes, tires, seat belts, etc...) If you have any questions concerning a particular vehicle get in touch with the tech chair or the ax chairs before the event. Don't assume you can run anything. Trucks and SUV's are strongly discouraged( except for Porsches) . Karts and motorcycles are not allowed.