Are eligible counterparty transactions to be included in the data required to be published by execution venues under RTS 27?

If portfolio managers or receivers and transmitters of orders use different entities within a single group to execute orders, should they list those entities separately, or aggregate them and list the group parent as a single entry for the purposes of the RTS 28 report that it is required to be published under Article 65(6) of the Delegated Regulation?

How soon after MiFID II comes into effect will venues and firms have to publish RTS 27 and 28 reports?

How should passive and aggressive orders be understood in the context of portfolio management or of reception and transmission of orders for the purposes of the RTS 28 report to be published under Article 65(6) of the Delegated Regulation?

When an investment firm operates an OTF, at which level should the best execution policy be set? At the level of the investment firm or at the level of the OTF or both? Would similar requirements apply to a market operator operating an OTF?