substantial connection
as defined in Regulation (EU) 2021/784 of the European Parliament and of the Council of 29…, Article 2, point (5) (Definitions)
the connection of a hosting service provider with one or more Member States resulting either from its establishment in the Union or from specific factual criteria, such as: (a) having a significant number of users of its services in one or more Member States; or (b) the targeting of its activities to one or more Member States