Cal. Public Resources Code § 25794.4

(a) Within 20 days of the submission of the application pursuant to this article, the executive director shall review the application for completeness. The executive director may require the department to submit additional information, documents, or data reasonably necessary to make a decision on the application. The executive director shall transmit the request for additional information within 20 days of the submission of the application. (b) An application is deemed complete as follows: (1) Twenty days after the submission of the application, if the executive director does not require the submission of additional information, documents, or data pursuant to subdivision (a). (2) Immediately upon acceptance of the additional information, documents, or data requested by the executive director pursuant to subdivision (a). (c) No later than 180 days after the application is deemed complete, or at any later time as is mutually agreed to by the commission and the department, the commission shall determine whether to issue a certificate for the site and related facility pursuant to this article.