# Regulation (EU) No 1227/2011 of the European Parliament and of the Council of 25 October 2011 on wholesale energy market integrity and transparency (Text with EEA relevance), Article 13: Implementation of prohibitions against market abuse

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

1. The national regulatory authority must ensure that the prohibitions set out in Articles 3 and 5 and the obligation set out in Article 4 are applied.
The national regulatory authority must exercise its investigatory and enforcement powers in a proportionate manner.
Those powers may be exercised:
(a) directly;
(b) in collaboration with other authorities; or
(c) by application to the competent judicial authorities.
Where appropriate, the national regulatory authority may exercise its investigatory powers in collaboration with organised markets, trade-matching systems or other persons professionally arranging transactions as referred to in point (d) of Article 8(4).
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Source: https://www.legislation.gov.uk/eur/2011/1227/article/13 (the official version)
Page: https://openlegislation.uk/eu-regulation-2011-1227/article-13
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.