NASCAR integrates RFID into the chassis inspection process. …
… “The RFID chips are attached to the metal and usually then covered by tape in order to protect them from accidental damage and possible tampering. In addition, a unique serial number that matches the RFID chips is placed on an interior roll bar of the chassis, much like the vehicle identification number for a passenger vehicle.” …
Via NASCAR: Chassis inspection.
RFIDa: RFID Technology is an internet destination dedicated to documenting the application of radio frequency identification technologies. 
