# Commission Regulation (EU) No 543/2013 of 14 June 2013 on submission and publication of data in electricity markets and amending Annex I to Regulation (EC) No 714/2009 of the European Parliament and of the Council (Text with EEA relevance), Article 20

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

This Regulation shall enter into force on the twentieth day following that of its publication in the Official Journal of the European Union.
Article 4(1) shall apply 18 months after the entry into force of this Regulation.

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Source: https://www.legislation.gov.uk/eur/2013/543/article/20 (the official version)
Page: https://openlegislation.uk/eu-regulation-2013-543/article-20
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.