Means and language for filing complaints
Article 3
1. Crypto-asset service providers shall ensure that clients are able to file complaints by electronic means or in paper form. 2. Crypto-asset service providers shall ensure that clients are able to file complaints in: (a) the languages used by the crypto-assets service provider to market its services or communicate with clients; (b) the official languages of the home Member State and host Member States that are also official languages of the Union.