1. The Union may conclude agreements with one or more third countries regarding the means of exercising supervision on a consolidated basis over the following:
(a) institutions the parent undertakings of which have their head offices in a third country;
(b) institutions situated in third countries the parent undertakings of which, whether institutions, financial holding companies or mixed financial holding companies, have their head offices in the Union.
2. The agreements referred to in paragraph 1 shall, in particular, seek to ensure that:
(a) the competent authorities of Member States are able to obtain the information necessary for the supervision, on the basis of their consolidated financial situations, of institutions, financial holding companies and mixed financial holding companies situated in the Union which have as subsidiaries institutions or financial institutions situated in a third country, or holding participation therein;
(b) the supervisory authorities of third countrie
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