California Code, Water Code - WAT § 161

The California Water Commission shall confer with, advise, and make recommendations to the director with respect to any matters and subjects under his jurisdiction. The rulemaking power of the department shall be exercised in the following manner. All rules and regulations of the department, other than those relating exclusively to the internal administration and management of the department, shall be first presented by the director to the commission and shall become effective only upon approval thereof by the commission.