TRUM – Section 1.1

Scope and purpose of the TRUM

The Agency has developed the TRUM to facilitate reporting to the Agency under Regulation (EU) No 1227/2011 (REMIT)[1] in order to ensure operational reliability according to Article 12(1) of REMIT.

Article 5(2) of Commission Implementing Regulation (EU) No 1348/2014[2] (hereafter referred to as ‘the Implementing Acts’) stipulates that the Agency shall explain the details of reportable information referred to in Article 5(1) of the Implementing Acts in a user manual and after consulting relevant parties make it available to the public upon entry into force of the Implementing Acts.

The TRUM is intended to provide market participants with guidance to make informed decisions about their transaction reporting obligations. The TRUM explains the details of the reportable trade data by providing guidance on how to populate the data fields included in the Implementing Acts, including the formats and standards that apply to reporting. The TRUM is not intended to be a replacement of the Implementing Acts.

Given that the Implementing Acts stipulate that only transactions, including orders to trade, in relation to wholesale energy products executed at organised market places will be reported in the first phase of reporting, the first edition of the TRUM focusses on explaining the details of the reportable information related to these contracts and orders to trade. The TRUM also covers the records of transactions in transportation contracts and non-standard supply contracts.

The TRUM and its Annexes will be updated in later editions on the basis of the experience gained by the Agency through the implementation of REMIT, including feedback from market participants and other stakeholders. The Agency anticipates that subsequent updates of the Annex II of TRUM will cover details and examples on reportable information for the second phase of transaction reporting not covered in detail by the first edition.

All subsequent editions of the TRUM will be made publicly available and consulted upon in due time, in accordance with Article 5(2) of the Implementing Acts which states that the Agency shall consult relevant parties on all material updates of the user manual. The Agency also intends to issue a REMIT Quarterly newsletter where inter alia relevant updates regarding transaction reporting obligations will be provided.

The technical and organisational requirements to be fulfilled by reporting entities in order to become a Registered Reporting Mechanism (RRM) will be defined in the Agency’s Requirements for the registration of Registered Reporting Mechanisms (RRM), including the Technical Specifications for RRMs.

Please note that the TRUM does not cover the reporting of fundamental data. For further information in that regard, please consult the Manual of Procedures on transaction and fundamental data reporting which, in accordance with Article 10(3) of the Implementing Acts, establishes procedures, standards and electronic formats for the reporting of transaction and fundamental data.

[1] OJ L 326, 8.12.2011, p.1.

[2] OJ L 363, 18.12.2014, p. 121.


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TRUM – Section 1.2

Target audience

The Agency expects compliance departments and compliance officers of market participants, other entities with transaction reporting responsibilities and third-parties acting on their behalf to ensure that the TRUM is fully understood. It should be read by all staff with transaction reporting responsibilities.

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TRUM – Section 1.3

ACER contacts

If you have any questions concerning transaction reporting, please contact us by email at

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