(1)For the purposes of this Part, an intelligence service retains a bulk personal dataset if—
(a)the intelligence service obtains a set of information that includes personal data relating to a number of individuals,
(b)the nature of the set is such that the majority of the individuals are not, and are unlikely to become, of interest to the intelligence service in the exercise of its functions,
(c)after any initial examination of the contents, the intelligence service retains the set for the purpose of the exercise of its functions, and
(d)the set is held, or is to be held, electronically for analysis in the exercise of those functions.
(2)In this Part, “personal data” has the same meaning as in the Data Protection Act 1998 except that it also includes data relating to a deceased individual where the data would be personal data within the meaning of that Act if it related to a living individual.