Member States shall allow an investment firm receiving an instruction to provide investment or ancillary services on behalf of a client through the medium of another investment firm to rely on client information transmitted by the latter investment firm. The investment firm which mediates the instructions will remain responsible for the completeness and accuracy of the information transmitted.

The investment firm which receives an instruction to undertake services on behalf of a client in that way shall also be able to rely on any recommendations in respect of the service or transaction that have been provided to the client by another investment firm. The investment firm which mediates the instructions will remain responsible for the suitability for the client of the recommendations or advice provided.

The investment firm which receives client instructions or orders through the medium of another investment firm shall remain responsible for concluding the service or transaction, based on any such information or recommendations, in accordance with the relevant provisions of this Title.