¹A supervisory authority may, in accordance with Member State law, and with the seconding supervisory authority’s authorisation, confer powers, including investigative powers on the seconding supervisory authority’s members or staff involved in joint operations or, in so far as the law of the Member State of the host supervisory authority permits, allow the seconding supervisory authority’s members or staff to exercise their investigative powers in accordance with the law of the Member State of the seconding supervisory authority. ²Such investigative powers may be exercised only under the guidance and in the presence of members or staff of the host supervisory authority. ³The seconding supervisory authority’s members or staff shall be subject to the Member State law of the host supervisory authority.