1.The competent authorities shall be given all supervisory and investigatory powers that are necessary for the exercise of their functions. Such powers shall be exercised:
directly;
in collaboration with other authorities;
under the responsibility of the competent authorities, by delegation to entities to which tasks have been delegated; or
by application to the competent judicial authorities.
2.Under paragraph 1, competent authorities shall have the power, at least, to:
access any document in any form and receive a copy thereof;
require any person to provide information and, if necessary, to summon and question a person with a view to obtaining information;
carry out on-site inspections;
require existing telephone and existing data traffic records;
require the cessation of any practice that is contrary to the provisions adopted in the implementation of this Directive;
request the freezing or the sequestration of assets;
request the temporary prohibition of professional activity;
require authorised investment companies, management companies or depositaries to provide information;
adopt any type of measure to ensure that investment companies, management companies or depositaries continue to comply with the requirements of this Directive;
require the suspension of the issue, repurchase or redemption of units in the interest of the unit-holders or of the public;
withdraw the authorisation granted to a UCITS, a management company or a depositary;
refer matters for criminal prosecution; and
allow auditors or experts to carry out verifications or investigations.