(c)
data necessary to identify the date, time and duration of a communication: concerning fixed network telephony and mobile telephony, the date and time of the start and end of the communication; concerning Internet access, Internet e-mail and Internet telephony: the date and time of the log-in and log-off of the Internet access service, based on a certain time zone, together with the IP address, whether dynamic or static, allocated by the Internet access service provider to a communication, and the user ID of the subscriber or registered user; the date and time of the log-in and log-off of the Internet e-mail service or Internet telephony service, based on a certain time zone;
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Source: EUR-Lex (Cellar) · retrieved 2026-10-14 · Text as adopted (Official Journal); later amendments are not incorporated in this text.