Meaning... There has to be a law book on how to properly and correctly appraise a vehicle that has been damaged, i am planning on going into the field of being an insurance adjuster for insurance companies and im wondering if theres a law book or a document stating what are the correct ways of apprasing a vehicle, we all know insurance companies try and screw the body shops by not writing a correct estimate for them to repair a vehicle can some one please help much appreciated!