You must have read the warning slip-sheets included with the siding and given them to the homeowner.
Siding materials must be kept dry and stored inside or under a long term storage cover.
As the installer, you are responsible for proper handling during installation. Failure to follow instructions prior to installation may void all warranties.
CERTIFIED INSTALLER APPLICATION STEP ONE
Have documentation of siding in the original units and original packing that shows the pealing of paint.