2. Member States shall ensure that, in resolution colleges, group-level resolution authorities, acting jointly with the resolution authorities referred to in paragraph 1, second subparagraph, point (b), and after having consulted the supervisory authorities concerned which are members of or participate in the college of supervisors as referred to in Article 248(3) of Directive 2009/138/EC, draw up and maintain group resolution plans. Group-level resolution authorities may, at their discretion, and subject to them meeting the confidentiality requirements laid down in Article 80 of this Directive, involve in the drawing up and maintenance of group resolution plans third-country resolution authorities of jurisdictions in which the group has established subsidiary insurance or reinsurance undertakings or insurance holding companies, or significant branches as defined pursuant to Article 248(8) of Directive 2009/138/EC.