1. Competent authorities shall set up procedures which allow clients and other interested parties, including consumer associations, to submit complaints to the competent authorities with regard to crowdfunding service providers' alleged infringements of this Regulation. In all cases, complaints should be accepted in written or electronic form and in an official language of the Member State in which the complaint is submitted or in a language accepted by the competent authorities of that Member State.
2. Information on the complaints procedures referred to in paragraph 1 shall be made available on the website of each competent authority and communicated to ESMA. ESMA shall publish the references to the complaints procedures related sections of the websites of the competent authorities on its website.