(1) The CMA may begin an investigation (a "conduct investigation") where it has reasonable grounds to suspect that an undertaking has breached a conduct requirement.

(2) A conduct investigation is an investigation into -

(a) whether a breach has occurred, and

(b) if it has, what action, if any, the CMA should take in relation to the breach.

(3) When the CMA begins a conduct investigation it must give a notice (a "conduct investigation notice") to the undertaking which it suspects has breached a conduct requirement.

(4) The conduct investigation notice must -

(a) state the conduct requirement which the CMA suspects has been breached;

(b) describe the conduct which the CMA suspects constituted the breach;

(c) state the period within which the undertaking may make representations in relation to the conduct investigation (see subsection (5));