Where a reference is made to the chair of the CMA under section 62 for the constitution of a group under Schedule 4 to the Enterprise and Regulatory Reform Act 2013, the functions of the CMA under or by virtue of the following provisions of this Part in relation to the matter concerned are to be carried out on behalf of the CMA by the group so constituted -

(a) sections 63 to 65;

(b) where a reference is treated by virtue of section 64(2) as having been made under section 62(2), section 23(9)(ab) (as it has effect by virtue of section 59(6));

(c) sections 104, so far as relating to any decision mentioned in paragraph (a)(iii) of the definition of relevant decision in subsection (6) of that section, and 104A;

(d) section 107, so far as relating to anything done on behalf of the CMA by the group;