The funders mentioned in 2° to 14° of II of article L. 6323-4 may entrust the Caisse des dépôts et consignations, where applicable within the framework of an agreement concluded on the basis of article L. 6333-7, with the management of a global envelope of funds enabling it to finance additional rights in application of the provisions of this II or additional contributions in application of the provisions of III of the same article.