1. The competent authority of one Member State may request the assistance of the competent authority of another Member State with regard to on-site inspections or investigations.
The competent authority making such request shall inform CESR of any request referred to in the first subparagraph. In the event of an investigation or inspection with cross-border effect, the competent authorities may request CESR to assume coordination of the investigation or inspection.
2. Where a competent authority receives a request from a competent authority of another Member State to carry out an on-site inspection or an investigation, it shall:
(a) carry out the on-site inspection or investigation itself;
(b) allow the competent authority which submitted the request to participate in an on-site inspection or investigation;
(c) allow the competent authority which submitted the request to carry out the on-site inspection or investigation itself;
(d) appoint auditors or experts to carry out the on-s