Textual Amendments
F1Words in cross-heading substituted (1.9.2017) by Investigatory Powers Act 2016 (c. 25), s. 272(1), Sch. 10 para. 89 (with Sch. 9 paras. 7, 8, 10); S.I. 2017/859, reg. 2(j)
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Textual Amendments
F2S. 21 omitted (1.9.2017) by virtue of Investigatory Powers Act 2016 (c. 25), s. 272(1), Sch. 10 para. 90 (with Sch. 9 paras. 7, 8, 10); S.I. 2017/859, reg. 2(j) (with reg. 6)