(b)

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 · European Union

demand information from any relevant person, including those who are successively involved in the transmission of orders or conduct of the operations concerned, as well as their principals, and, if necessary, the right to summon and hear any such person or principal;

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Source: EUR-Lex (Cellar) · retrieved 2026-10-30 · Text as adopted (Official Journal); later amendments are not incorporated in this text.