1. In order to perform their duties under Titles II to VI of this Regulation, competent authorities shall have, in accordance with national law, at least the following supervisory and investigative powers:

(a) to require any person to provide information and documents which the competent authorities consider could be relevant for the performance of their duties;

(b) to suspend, or to require a crypto-asset service provider to suspend, the provision of crypto-asset services for a maximum of 30 consecutive working days on any single occasion where there are reasonable grounds for suspecting that this Regulation has been infringed;

(c) to prohibit the provision of crypto-asset services where they find that this Regulation has been infringed;

(d) to disclose, or to require a crypto-asset servicer provider to disclose, all material information which might have an effect on the provision of the crypto-asset services concerned, in order to ensure the protection of the interests of clients, in particular retail holders, or the smooth operation of the market;

(e) to make public the fact that a crypto-asset service provider fails to fulfil its obligations;