Article 4 Operational network securityF1 United Kingdom Repealed Original text. Later amendments are not shown. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Annotations Textual amendments F1 Repealed by Regulation (EU) 2019/941 of the European Parliament and of the Council of 5 June 2019 on risk-preparedness in the electricity sector and repealing Directive 2005/89/EC (Text with EEA relevance.). ← Article 3 Article 4 Article 5 →