To clarify:
The cowl tag's accessory line reads "EZI LP".
The car has what appears to be original E-Z-Eye side glass (the windshield is a tinted replacement). It also has a correct repro dash pad (stitched vinyl). It does not have power windows or power seats.
I'm trying to figure out if LP refers to a factory installed dash pad, or if it means something else.
The documentation I have says CP means factory installed padded dash. A padded dash could also have been installed by the dealer when new, or by a PO simply because they wanted it.