Section 20 of the Principal Act is amended -

(a) by the substitution of the following subsection for subsection (2):

"(2)

(a) Where the Commission is of the opinion that it requires, in order to consider a merger or acquisition for the purposes of this Part, further information from -

(i) any one or more of the undertakings involved in the merger or acquisition, or

(ii) any other person or undertaking that it considers may have information relevant to the Commission's consideration of the merger or acquisition,

it may require, by notice in writing served on that person or that undertaking, to provide to it, within such period as it specifies, specified information that is in the power or control of that person or that undertaking.

(b) Where the Commission makes a requirement of a person or undertaking under paragraph (a) -

(i) the person or undertaking of whom such a requirement is made shall comply with it, and

(ii) the following person shall certify in writing that, to the best of his or her knowledge and belief, the person or undertaking has complied with a requirement under this section:

(I) where the undertaking is a body corporate, a director or other similar officer of the undertaking or a person who purports to act in such capacity;