# Commission Regulation (EU) 2017/2196 of 24 November 2017 establishing a network code on electricity emergency and restoration (Text with EEA relevance), Article 48: Testing of communication systems

Extent: E+W+S+N.I.

1. Each DSO and SGU identified pursuant to Article 23(4), each TSO and each restoration service provider shall test the communication systems defined in Article 41, at least every year.
2. Each DSO and SGU identified pursuant to Article 23(4), each TSO and each restoration service provider shall test the backup power supply of their communication systems at least every five years.
3. By 18 December 2024 each TSO, in consultation with other TSOs, shall define a test plan for testing the inter-TSO communication.

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Source: https://www.legislation.gov.uk/eur/2017/2196/article/48 (the official version)
Page: https://openlegislation.uk/eu-regulation-2017-2196/article-48
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.