The participating and parent undertakings referred to respectively in the second and third paragraphs of article L. 356-2 shall review the written policies referred to in the third paragraph of article L. 356-18 at least once a year. These policies are subject to the prior approval of the Board of Directors or the Supervisory Board as the case may be. They are adapted to take account of any significant change affecting the system or the area concerned.
For each of the attributions of the administrative, management and supervisory body provided for in Commission Delegated Regulation (EU) No 2015/35 of 10 October 2014, the written policies shall specify whether it is the responsibility of the board of directors or the chief executive officer or, as the case may be, the supervisory board or the management board of the participating and parent undertakings referred to in the second and third paragraphs of Article L. 356-2 respectively, without prejudice to the other provisions of this Title.