Article 26 9.

data standards and formats for the information to be reported in accordance with paragraphs 1 and 3, including the methods and arrangements for reporting financial transactions and the form and content of such reports;

the criteria for defining a relevant market in accordance with paragraph 1;

the references of the financial instruments bought or sold, the quantity, the dates and times of execution, the effective dates, the transaction prices, the information and details of the identity of the client, a designation to identify the parties on whose behalf the investment firm has executed that transaction, a designation to identify the persons and the computer algorithms within the investment firm responsible for the investment decision and the execution of the transaction, a designation to identify the entity subject to the reporting obligation, the means of identifying the investment firms concerned, the way in which the transaction was executed, data fields necessary for the processing and analysis of the transaction reports in accordance with paragraph 3;

the relevant categories of indices to be reported in accordance with paragraph 2, point (c);

the conditions upon which legal entity identifiers are developed, attributed and maintained, by Member States in accordance with paragraph 6, and the conditions under which those legal entity identifiers are used by investment firms so as to provide, pursuant to paragraphs 3, 4 and 5, for the designation to identify the clients in the transaction reports they are required to establish pursuant to paragraph 1;

the application of transaction reporting obligations to branches of investment firms;

what constitutes a transaction and execution of a transaction for the purposes of this Article;

when an investment firm is deemed to have transmitted an order for the purposes of paragraph 4;

the conditions for linking specific transactions and the means of identifying aggregated orders resulting in the execution of a transaction; and

the date by which transactions are to be reported.