Any activity carried out via computer is liable to create personal databases. When this is the case, it is important to bear in mind the obligations for both the head of the database means for performing maintenance on this place. For data file is any structured set of personal data accessible according to specific criteria, whether centralized, decentralized or dispersed on a functional or geographical basis, for personal data, any information of whatever nature and regardless of the medium, including sound and image, relating to an identified or identifiable individual ( "date"); an identifiable person who can be identified directly or indirectly, in particular by reference to an identification number or to one or more factors specific to his physical, physiological, psychological, economic, cultural or social.

They are responsible for the natural or legal persons, public authority, agency or any other body which alone or jointly with others determines the purposes and means of processing of personal data, where the purposes and means of processing are determined by laws or regulations, the controller must be stipulated in the organization and operation or the status of the legal or statutory authority to process personal data in question; subcontractors are the natural or legal persons, public authority, the service or any other body which processes personal data on behalf of the controller.

Data should be processed lawfully and with respect for the principle of good faith, collected for specified, explicit and legitimate purposes and not further processed in a way incompatible with those purposes, adequate, relevant and not excessive in relation to the purposes for which they are collected and further processed, accurate and, where necessary, updated and should be taken appropriate measures to ensure that they are erased or rectified the incorrect or incomplete, having regard to the purposes for which they were collected or for which they are further processed and preserved allowing the identification of their subjects for the period necessary for the purposes of collection or further processing.