122The criteria laid down in Directives 2009/72 and 2009/73 are specified in other legislative measures, namely Regulation (EC) No 714/2009 of the European Parliament and of the Council of 13 July 2009 on conditions for access to the network for cross-border exchanges in electricity and repealing Regulation (EC) No 1228/2003 (OJ 2009 L 211, p. 15) and Regulation (EC) No 715/2009 of the European Parliament and of the Council of 13 July 2009 on conditions for access to the natural gas transmission networks and repealing Regulation (EC) No 1775/2005 (OJ 2009 L 211, p. 36), which are applicable to cross-border exchanges (see, to that effect, judgment of 3 December 2020, Commission v Belgium (Electricity and natural gas markets), C‑767/19, EU:C:2020:984, paragraph 112). Those regulations are supplemented by various network codes established by means of Commission regulations.
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