Member States shall ensure that the competent authorities, in respect of any IORP registered or authorised in their territories, have the necessary powers and means to:

(a) require the IORP, the administrative, management or supervisory body of the IORP or the persons who effectively run the IORP or carry out key functions to supply at any time information about all business matters or forward all business documents;

(b) supervise relationships between the IORP and other companies or between IORPs, when IORPs outsource key functions or any other activities to those other companies or IORPs and all subsequent re-outsourcing, influencing the financial situation of the IORP or being in a material way relevant for effective supervision;

(c) obtain the following documents: the own-risk assessment, the statement of investment-policy principles, the annual accounts and the annual reports, and all other documents necessary for the purposes of supervision;

(d) lay down which documents are necessary for the purposes of supervision, including:

(i) internal interim reports;

(ii) actuarial valuations and detailed assumptions;

(iii) asset-liability studies;