Article 108 1.

Competent authorities shall set up procedures that allow clients and other interested parties, including consumer associations, to submit complaints to them with regard to alleged infringements of this Regulation by offerors, persons seeking admission to trading, issuers of asset-referenced tokens or e-money tokens, or crypto-asset service providers. Complaints shall be accepted in writing, including electronically, 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.