(1) The Commission may at any time, by notice in writing, require a postal service provider to provide it with such written information as, subject to subsection (3), it considers necessary to enable it to carry out its functions and, in particular, for any of the following purposes:

(a) establishing compliance by the postal service provider with the obligations imposed on it by or under the Communications Regulation Acts 2002 to 2011;

(b) making a designation under section 17 or 18 of the Communications Regulation (Postal Services) Act 2011;

(c) conducting a review for any of the purposes of the said section 17 or 18 ;

(d) assessing the contribution (if any) to be made by a postal service provider to a sharing mechanism established under section 36 of the Communications Regulation (Postal Services) Act 2011;

(e) assessing the contribution to be made by a postal service provider to the administration costs of the Commission under section 30(2);

(f) statistical purposes.

(2) A requirement made under subsection (1) shall -

(a) specify the information required, and