In renewable energy: the certificate duly signed by the DOE Secretary confirming the Declaration of Commerciality (DOC) by the RE Developer and shall serve as a notice to proceed with the construction of the RE Project or the installation of the RE facilities. The date of issuance of the COCOC shall be considered as the commencement date of the Development Stage of the RE Project [Section 3.4, DOE Department Circular No. DC2024-06-0018, Revised Omnibus Guidelines Governing the Award and Administration of Renewable Energy Contracts and the Registration of Renewable Energy Developers]