Article 25g 4.

Prior to notifying a Tier 2 CCP of an investigation, ESMA shall inform the relevant third-country competent authority where the investigation is to be carried out of the investigation and of the identity of the authorised persons. Officials of the third-country competent authority concerned may, upon the request of ESMA, assist those authorised persons in carrying out their duties. Officials of the third-country competent authority concerned may also attend the investigations. Investigations carried out in a third country in accordance with this Article shall be conducted pursuant to the cooperation arrangements established with the relevant third-country competent authority.