Where an inspector appointed under Regulation 97 to investigate the affairs of an investment firm, market operator, data reporting service provider or any subsidiary or other associated or related undertaking thinks it necessary for the purposes of the investigation to investigate the affairs of -

(a) any other investment firm, market operator, or data reporting service provider, or

(b) any body corporate or any undertaking which body or undertaking is or was at any relevant time a subsidiary, an associated undertaking or a related undertaking of the investment firm, the market operator or data reporting service provider,

the inspector, with the approval of the Court, shall have power to do so, and shall report on the affairs of -

(i) the other investment firm, market operator or data reporting service provider,

(ii) the body corporate, undertaking, associated undertaking or related undertaking,

so far as the inspector thinks the results of the investigation are relevant to the investigation of the affairs of the first-mentioned investment firm, market operator or data reporting service provider.