The 69 Camaro Broadcast sheet was found in some los angeles and Norwood camaros usually behind the back seat ,The broadcast sheet was a different version build sheet from other gm plants ,it contained codes typed onto it to help identify and help assembly workers down the assembly line in the production of the car …..these sheets would have crucial info like serial number ,assembly date ,eng codes ,transmission codes,rad codes, hoses , tires etc ……….the came in both body broadcast sheet as well as chassis broadcast sheet ,each had common and different codes A fairly important document sought after for helping identify Z28 camaros