Where an investment firm executes a transaction wholly or partly through its branch, it shall report the transaction to the competent authority.
Where country code details in respect of an investment firm's branch are required to be included in a transaction report in accordance with fields 8, 17, 37, 58 or 60 of Table 2 of Annex I due to the partial or full execution of a transaction through that branch, the investment firm shall provide in the transaction report the ISO 3166 country code for the relevant branch in all of the following cases:
where the branch received the order from a client or made an investment decision for a client in accordance with a discretionary mandate given to it by the client;
where the branch has supervisory responsibility for the person responsible for the investment decision concerned;
where the branch has supervisory responsibility for the person responsible for execution of the transaction;
where the transaction was executed on a UK or Union trading venue or an organised trading platform located outside the United Kingdom or the Union using the branch's membership of that trading venue or an organised trading platform.
Where one or more of the cases provided in paragraph 3 do not apply to a branch of the investment firm, the relevant fields in Table 2 of Annex I shall be populated with the ISO country code of the country where the firm has established its head office or registered office.