California Code, Public Resources Code - PRC § 5866

(a) The department shall review all documentation related to designation of the property as a California natural landmark, including, but not limited to, the evaluation and peer review findings made pursuant to Section 5864 and comments received pursuant to Section 5865, to determine whether the property meets the state significance criteria in Section 5868.

(b) If the department determines that the property does not meet the state significance criteria in Section 5868, the department shall notify the owner in writing, as well as interested parties notified pursuant to subparagraph (A) of paragraph (2) of subdivision (c) of Section 5865, that the property is no longer being considered for California natural landmark designation.

(c) The director shall review the documentation specified in subdivision (a) that demonstrates that the property meets the state significance criteria in Section 5868.