Complaints for visible and clear defects or deformities must, under penalty of forfeiture, be sent by the purchaser to the seller by recorded delivery letter with notice of receipt or certified e-mail within 10 working days from the delivery date of the goods to the purchaser; the latter may not perform any tampering or processing until the complaint has been settled. Hidden defects or deformities must be reported, at the choice of the purchaser, in the same forms within 8 days from their discovery but not more than 4 months from the arrival of the goods at the purchaser or the location indicated by the latter.

Exonerations from liability of the seller

The seller will be freed from any liability if the purchaser breaches the user instructions or uses the goods for purposes different than those indicated by the seller.