averted through further processing of the data. If the data are not masked or erased without
undue delay, the G10 Commission shall be briefed at its next meeting.
(5)
The traffic data shall be retained for a maximum of six months. Storage beyond that
time limit shall be possible in an individual case if storage continues to be necessary to enable
the Federal Intelligence Service to carry out its task. § 27 shall apply mutatis mutandis to
further storage.
§ 27
Evaluation of data and assessment duties
The Federal Intelligence Service shall assess the personal data collected using search terms
without undue delay and then at intervals of not more than seven years in order to determine
whether, alone or together with data already available, they are necessary for the purposes
referred to in § 19(1). Account shall be taken of the purpose of collection in each case in
accordance with § 19(1). If the personal data are not necessary for these purposes, they shall
be erased without undue delay. The erasure shall be logged. Log data
(1)
may be used only to perform data processing oversight, including data protection
oversight. Log data shall be retained until the end of the second calendar year following
logging and shall then be erased without undue delay.
(2)
Data shall not be erased if they are necessary for a notification under § 59 or for
oversight purposes of the Independent Oversight Council.
§ 28
Data collection by a foreign public agency
(1)
The Federal Intelligence Service may request foreign public agencies to carry out
strategic surveillance measures.
(2)
The Federal Intelligence Service may process the data collected by the foreign public
agency. The provisions set out in this subsection on data processing shall apply mutatis
mutandis.
(3)
If the foreign public agency uses search terms of the Federal Intelligence Service for
data collection purposes, these search terms must fulfil the conditions laid down in § 19(5)
and of §§ 20 to 22 and 23(5). The foreign public agency may use these search terms for its
own purposes only after obtaining the prior consent of the Federal Intelligence Service. Such
consent may be granted only if transfer of the search terms would be permissible under § 30.
Subsection 2
Transfer of personal data from strategic foreign telecommunications surveillance
§ 29
Transfer of personal data from strategic foreign telecommunications surveillance to domestic
public agencies and other domestic entities

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