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(a)     has come into the possession of any person by means of the exercise of a statutory power to seize, detain, inspect, search or otherwise to interfere with documents or other property, or is likely to do so;

(b)     has come into the possession of any person by means of the exercise of any statutory power to intercept communications [or obtain secondary data from communications], or is likely to do so;

(c)     has come into the possession of any person by means of the exercise of any power conferred by an authorisation under section 22(3) [or (3B)] or under Part II [Part 3 of the Investigatory Powers Act 2016 or Part 2 of this Act], or as a result of the giving of a notice under section 22(4) [in pursuance of an authorisation under Part 3 of the Act of 2016 or as the result of the issue of a warrant under Chapter 2 of Part 6 of the Act of 2016], or is likely to do so;

(d)     has come