Article 5 Investigation of complaints

Upon receipt of an admissible complaint, crypto-asset service providersmeans a legal person or other undertaking whose occupation or business is the provision of one or more crypto-asset services to clients on a professional basis, and that is allowed to provide crypto-asset services in accordance with Article 59; shall, without undue delay after acknowledging receipt of the complaint, assess whether the complaint is clear and complete. In particular, crypto asset service providers shall assess whether the complaint contains all information required. Where a crypto-asset service providermeans a legal person or other undertaking whose occupation or business is the provision of one or more crypto-asset services to clients on a professional basis, and that is allowed to provide crypto-asset services in accordance with Article 59; concludes that a complaint is unclear or incomplete, it shall request any additional information necessary for the proper handling of the complaint.

Crypto-asset service providersmeans a legal person or other undertaking whose occupation or business is the provision of one or more crypto-asset services to clients on a professional basis, and that is allowed to provide crypto-asset services in accordance with Article 59; shall seek to gather and examine all relevant information regarding a complaint. Crypto asset service providers shall not require from the complainant information that is already in their possession or that is legally required to be in their possession. Crypto-asset service providersmeans a legal person or other undertaking whose occupation or business is the provision of one or more crypto-asset services to clients on a professional basis, and that is allowed to provide crypto-asset services in accordance with Article 59; shall keep the complainant duly informed about any additional steps taken to handle the complaint. Crypto asset service providers shall reply to reasonable information requests made by the complainant without any undue delay.