Article 21 Review and evaluation
1. The competent authorities referred to in Article 22 shall do at least all of the following in relation to a CCP:
(a) review the arrangements, strategies, processes and mechanisms implemented by the CCP to comply with this Regulation;
(b) review the services or activities provided by the CCP, in particular services or activities provided following the application of an accelerated procedure pursuant to Article 17a or 49a;
(c) evaluate the risks, including financial and operational risks, to which the CCP is, or might be, exposed;
(d) review the changes implemented by the CCP in accordance with Article 15a.
2. The review and evaluation referred to in paragraph 1 shall cover all requirements on CCPs laid down in this Regulation. The CCP's competent authority may request ESMA's assistance in any of its supervisory activities including those listed in paragraph 1.