No state owned company exists in this sector. Law 4092/2012 validated the Medium-Term Framework for Financial Strategy 2012-2015. It abolished L.3631/2008 (Art.11), according to which in Sociétés Anonymes of national strategic importance and of monopolistic character as well as in Ports, the acquisition of more or equal to 20% of their share capital is subject to the prior approval of the Inter-ministerial Committee of Denationalisations. For unofficial codified version, see: https://www.kodiko.gr/nomothesia/document/68649/nomos-4092-2012