When I wrecked in 2010 a track official and an NHRA inspector came right to my Trailer. (Norwalk) He explained the rules and said they could either pull the sticker or the inspector could check out the damage and possibly let it slide. I opened my trailer doors and said go at it. He climbed around and in the car and said the chassis was fine. I thanked him and they left. The strap on my helmet was cut off before the car left the track by an official