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(1)For the purposes of section 171, in relation to a person who re-identifies information that is de-identified personal data, “the effectiveness testing conditions” means the conditions in subsections (2) and (3).
(2)The first condition is that the person acted—
(a)with a view to testing the effectiveness of the de-identification of personal data,
(b)without intending to cause, or threaten to cause, damage or distress to a person, and
(c)in the reasonable belief that, in the particular circumstances, re-identifying the information was justified as being in the public interest.
(3)The second condition is that the person notified the Commissioner or the controller responsible for de-identifying the personal data about the re-identification—
(a)without undue delay, and
(b)where feasible, not later than 72 hours after becoming aware of it.
(4)Where there is more than one controller responsible for de-identifying personal data, the requirement in subsection (3) is satisfied if one or more of them is notified.