1. Competent authorities shall be given all supervisory powers, including investigatory powers and powers to impose remedies, necessary to fulfil their duties under this Directive and under Regulation (EU) No 600/2014.
2. The powers referred to in paragraph 1 shall include, at least, the following powers to:
(a) have access to any document or other data in any form which the competent authority considers could be relevant for the performance of its duties and receive or take a copy of it;
(b) require or demand the provision of information from any person and if necessary to summon and question a person with a view to obtaining information;
(c) carry out on-site inspections or investigations;
(d) require existing recordings of telephone conversations or electronic communications or other data traffic records held by an investment firm, a credit institution, or any other entity regulated by this Directive or by Regulation (EU) No 600/2014;
(e) require the freezing or the sequestration of assets, or both;
(f) require the temporary prohibition of professional activity;
(g) require the auditors of authorised investment firms, regulated markets and data reporting services providers to provide information;
(h) refer matters for criminal prosecution;
(i) allow auditors or experts to carry out verifications or investigations;
(j) require or demand the provision of information including all relevant documentation from any person regarding the size and purpose of a position or exposure entered into via a commodity derivative, and any assets or liabilities in the underlying market;
(k) require the temporary or permanent cessation of any practice or conduct that the competent authority considers to be contrary to the provisions of Regulation (EU) No 600/2014 and the provisions adopted in the implementation of this Directive and prevent repetition of that practice or conduct;
(l) adopt any type of measure to ensure that investment firms, regulated markets and other persons to whom this Directive or Regulation (EU) No 600/2014 applies, continue to comply with legal requirements;
(m) require the suspension of trading in a financial instrument;
(n) require the removal of a financial instrument from trading, whether on a regulated market or under other trading arrangements;
(o) request any person to take steps to reduce the size of the position or exposure;
(p) limit the ability of any person from entering into a commodity derivative, including by introducing limits on the size of a position any person can hold at all times in accordance with Article 57 of this Directive;
(q) issue public notices;
(r) require, in so far as permitted by national law, existing data traffic records held by a telecommunication operator, where there is a reasonable suspicion of an infringement and where such records may be relevant to an investigation into infringements of this Directive or of Regulation (EU) No 600/2014;
(s) suspend the marketing or sale of financial instruments or structured deposits where the conditions of Articles 40, 41 or 42 of Regulation (EU) No 600/2014 are met;
(t) suspend the marketing or sale of financial instruments or structured deposits where the investment firm has not developed or applied an effective product approval process or otherwise failed to comply with Article 16(3) of this Directive;
(u) require the removal of a natural person from the management board of an investment firm or market operator.
By 3 July 2017, the Member States shall notify the laws, regulations and administrative provisions transposing paragraphs 1 and 2 to the Commission and ESMA. They shall notify the Commission and ESMA without undue delay of any subsequent amendment thereto.
Member States shall ensure that mechanisms are in place to ensure that compensation may be paid or other remedial action be taken in accordance with national law for any financial loss or damage suffered as a result of an infringement of this Directive or of Regulation (EU) No 600/2014.