Kurt,
Chevy had to look at the trim tag at the Body bank...
Here is how I understand the activities in the body bank outside of the Fisher door at Chevy:
When A body entered from Fisher to chevy, A worker entered the fisher body number from the cowl tag into the Chevy final assembly computer. This data corresponded to the order number and as specified by the dealer order form. The Chevy final assembly process computer then specified the "parts pick" of the components needed to build the car as ordered. This info also resulted in the printing of the Broadcast Copy essential for body lock and assignment of the VIN number.
Right??
Phil