(6)In order to allow for an objective assessment, competent authorities should be required to provide information on the functioning of the passport also from investors' perspective, particularly in terms of impacts on the investor protection. Competent authorities should also provide information on complaints filed by investors about AIFMs or AIFs established in other Member States than the one where the investor is domiciled, queries from investors related to the distribution of competencies between competent authorities from different Member States and any issues raised in relation to marketing arrangements.