They are only for the proper functioning of the site.
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The full IP address is never stored on the hard disk in this case.
Processer shall process the Personal Data exclusively for the benefit of the Processing Officer, and only insofar as necessary for the services provided by the Processor to the Processing Officer, as well as for those purposes that are reasonably related thereto or that are determined in writing between the Parties. Processer will not process the Personal Data for any other purpose than as established by the Processing Officer.