(c) total units chargeable for the billing period;
(d) calling and called subscriber numbers;
(e) the type of calls or other services, their
direction, start time, the duration of con
versations
or
the
size
of data
transmitted,
the
International Mobile
Equipment Identity of the network and cell
providing the service and of the telephone
set used for making use of the service
provided in the case of mobile radio
telephone
networks, and for Internet
Protocol networks the identifiers used;
(f) the date of call or other services provided;
(g) data connected with the payment of
charges or charges in arrears;
(h) events of the termination of a subscriber
contract if terminated with debts out
standing;
(i) data relating to other non-information
and communications services, in parti
cular, to the billing of charges, that may
be used by subscribers and users in the
case of telephone services.
(3) The data referred to in Subsection (2) may be
processed until the term of limitation established
for claims arising from subscriber contracts and,
service providers are authorized to process data
solely for the purposes set out in this Act.
(4) Information and communications service pro
viders may use the type of data referred to in
subsection (2) for marketing purposes, subject to
the subscriber's prior written consent.
(5) Within the framework of proceedings for insider
trading, market manipulation and unauthorized pro
visions of services, the data referred to in
subsection (2) may be disclosed for the purposes
of criminal investigation and prosecution.
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