(1) The CMA may publish a notice extending a relevant investigation period or a final offer period by a period of up to 3 months where it considers that there are special reasons for doing so.
(2) A notice under subsection (1) must specify how long the extension is for.
(3) The CMA may also publish a notice extending a relevant investigation period or a final offer period where it considers that -
(a) in relation to a relevant investigation period -
(i) a person has failed to comply with any requirement of a notice under section 69 (power to require information) or under section 72 (power to interview) which was given in relation to an SMS investigation, a conduct investigation or a PCI investigation, and
(ii) the failure is preventing the CMA from properly discharging the digital markets functions to which the investigation relates, or
(b) in relation to a final offer period -
(i) a person has failed to comply with any requirement of a notice under section 69, and
(ii) the failure is
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