4. The arrangements referred to in paragraph 3 of this Article may, inter alia, specify the procedures for the coordination of supervisory and oversight activities in relation to essential or important entities subject to Directive (EU) 2022/2555 that have been designated as critical ICT third-party service providers pursuant to Article 31 of this Regulation, including for the conduct, in accordance with national law, of investigations and on-site inspections, as well as for mechanisms for the exchange of information between the competent authorities under this Regulation and the competent authorities designated or established in accordance with that Directive which includes access to information requested by the latter authorities.