data user means a natural or legal person who has lawful access to certain personal or non-personal data and is authorised to use that data for commercial or non-commercial purposes;
Customer User means an employee of Customer, a Customer Affiliate or Business Partner.
system user means a natural or legal person supplying to, or being supplied by, a transmission or distribution system;
Alarm user means the person, firm, partnership, association, corporation, company, or organization of any kind in control of any building, structure, or facility or portion thereof wherein an alarm system is maintained.
Network User means a customer or a potential customer of a transmission system operator, and transmission system operators themselves in so far as it is necessary for them to carry out their functions in relation to transmission;