# Commission Delegated Regulation (EU) 2017/590 of 28 July 2016 supplementing Regulation (EU) No 600/2014 of the European Parliament and of the Council with regard to regulatory technical standards for the reporting of transactions to competent authorities (Text with EEA relevance), Article 9: Identification of person or computer algorithm responsible for execution of a transaction

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

1. Where a person or computer algorithm within the investment firm which executes a transaction determines which trading venue, systematic internaliser or organised trading platform located outside the Union to access, which firms to transmit orders to or any conditions related to the execution of an order, that person or computer algorithm shall be identified in field 59 of Table 2 of Annex I.
2. Where a person within the investment firm is responsible for the execution of the transaction, the investment firm shall assign a designation for identifying that person in a transaction report in accordance with Article 6.
3. Where a computer algorithm within the investment firm is responsible for the execution of the transaction, the investment firm shall assign a designation for identifying the computer algorithm in accordance with Article 8(3).
4. Where a person and computer algorithm are both involved in execution of the transaction, or more than one person or algorithm are involved, the investment firm shall determine which person or computer algorithm is primarily responsible for the execution of the transaction. The person or computer algorithm taking primary responsibility for the execution shall be determined in accordance with pre-determined criteria established by the investment firm.

---
Source: https://www.legislation.gov.uk/eur/2017/590/article/9 (the official version)
Page: https://openlegislation.uk/eu-regulation-2017-590/article-9
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.