Cal. Pub. Res. Code § 25508

The commission shall cooperate with, and render advice to, the California Coastal Commission and the San Francisco Bay Conservation and Development Commission in studying applications for any site and related facility proposed to be located, in whole or in part, within the coastal zone, the Suisun Marsh, or the jurisdiction of the San Francisco Bay Conservation and Development Commission if requested by the California Coastal Commission or the San Francisco Bay Conservation and Development Commission, as the case may be. The California Coastal Commission or the San Francisco Bay Conservation and Development Commission, as the case may be, may participate in public hearings on the notice and on the application for site and related facility certification as an interested party in such proceedings.