Division 2.3.4 F1

Manufacturers using programmable computer code systems shall take the necessary measures to deter unauthorised reprogramming. Such measures shall include enhanced tamper protection strategies and write-protect features requiring electronic access to an off-site computer maintained by the manufacturer, to which independent operators shall also have access using the protection afforded in point 2.3.1. and point 2.2. of Annex XIV. Methods giving an adequate level of tamper protection shall be approved by the approval authority.