4. The following provisions of the 2016 Act come into force on 1st November 2018—
(a)sections 87 to 96 (retention of communications data), so far as not already in force;
(b)in section 229, in subsection (8), paragraphs (e) and (f) (exceptions to duty on Judicial Commissioner not to act contrary to public interest), so far as not already in force;
(c)in section 231, in subsection (9), paragraph (a) to the extent that it applies to an error relating to Part 4 of the 2016 Act;
(d)in section 243, in subsection (1), paragraph (i) so far as it inserts paragraph (ba);
(e)paragraph 62 of Schedule 10, and section 271(1) so far as it relates to that paragraph.