1.1. This Regulation applies to vehicles, with regard to cyber security, of the Categories M and N. This Regulation also applies to vehicles of Category O if fitted with at least one electronic control unit. 1.2. This Regulation also applies to vehicles of the Categories L6 and L7 if equipped with automated driving functionalities from level 3 onwards, as defined in the reference document with definitions of Automated Driving under WP.29 and the General Principles for developing a UN Regulation on automated vehicles (ECE/TRANS/WP.29/1140). 1.3. This Regulation is without prejudice to other UN Regulations, regional or national legislations governing the access by authorized parties to the vehicle, its data, functions and resources, and conditions of such access. It is also without prejudice to the application of national and regional legislation on privacy and the protection of natural persons with regard to the processing of their personal data. 1.4. This Regulation is without prejudice to other UN Regulations, national or regional legislation governing the development and installation/system integration of replacement parts and components, physical and digital, with regards to cybersecurity.