It is an essential condition that at the time of receipt of the merchandise the delivery note that is signed to the carrier is indicated, any incident that may be in the condition of the same or the packaging and that incidence be communicated to zero-max by e- mail to within a maximum period of 24 hours from receipt of the package. If the package presents significant damage with which it is believed that the product could have suffered damage, it must be rejected and zero-max must be notified immediately.