(1) A period extended under section 73A(4) may also be extended under section 73A(7), and a period extended under section 73A(7) may also be extended under section 73A(4).

(2) No more than one extension is possible under section 73A(4).

(3) Where a period is extended or further extended under section 73A(4) or (7), the period as extended or (as the case may be) further extended is, subject to subsections (4) and (5), to be calculated by taking the period being extended and adding to it the period of the extension (whether or not those periods overlap in time).

(4) Subsection (5) applies where -

(a) the period within which the CMA must discharge its duty under section 73A(3) is further extended,