4. The following provisions of Part 5 of the 2016 Act (equipment interference) come into force on 31st May 2018—
(a)section 99 (warrants under this Part: general);
(b)section 100 (meaning of “equipment data”);
(c)section 101 (subject-matter of warrants);
(d)in section 102 (power to issue warrants to intelligence services: the Secretary of State)—
(i)subsections (1) to (3) for the purpose of the Secretary of State deciding to issue a warrant but not for the purpose of the issuing of a warrant;
(ii)subsection (4) for the purpose of the Secretary of State deciding to issue a warrant but not for the purpose of the issuing of a warrant and only if the Secretary of State considers that the only grounds for considering the warrant to be necessary is for the purpose of preventing or detecting serious crime;
(iii)subsections (5) to (9);
(e)in section 103 (power to issue warrants to intelligence services: the Scottish Ministers)—
(i)subsections (1) and (2) for the purpose of the Scottish Ministers deciding to issue a warrant but not for the purpose of the issuing of a warrant;
(ii)subsections (3) and (4);
(f)section 104 (power to issue warrants to the Chief of Defence Intelligence)—
(i)subsection (1) for the purpose of the Secretary of State deciding to issue a warrant but not for the purpose of the issuing of a warrant;
(ii)subsections (2) and (3);
(g)section 105 (decision to issue warrants under sections 102 to 104 to be taken personally by Ministers);
(h)in section 108 (approval of warrants by Judicial Commissioners) so far as relating to decisions to issue warrants under any of sections 102 to 104;
(i)section 111(1) to (3) and (8) (members of Parliament etc.);
(j)section 112 (items subject to legal privilege);
(k)section 113 (confidential journalistic material);
(l)section 114 (sources of journalistic information);
(m)section 115 (requirements that must be met by warrants) so far as relating to warrants under any of sections 102 to 104;
(n)section 129 (safeguards relating to retention and disclosure of material) so far as relating to warrants under any of sections 102 to 104;
(o)section 130 (safeguards relating to disclosure of material overseas);
(p)section 135 (Part 5: interpretation).