Where is the Chassis number located?

[wikedgolf]

Where is the Chassis number located?
Not the VIN Number.. but the Chassis number...

On a MkIII

thanks

Mel

[karl]

wouldnt it be on the door?..........a3 chassis
and i found this
if you lift up the rear seats (or maybe it's in the trunk) the will be a black circular plate that is the cover for your fuel pump, on it should be the info you're looking for.