California Code, Fish and Game Code - FGC § 3800

(b)(1) Mitigation plans relating to mining operations approved by the department shall, among other criteria, require avoidance of take, where feasible, and include reasonable and practicable methods of mitigating the unavoidable take of birds and mammals. When approving mitigation plans, the department shall consider the use of the best available technology on a site-specific basis.

(2) Mitigation plans relating to mining operations approved by the department shall include provisions that address circumstances where mining operations contribute to bird deaths, including ponding of process solutions on heap leach pads and exposure of process solution channels, solution ponds, and tailing ponds.

(3) The mine operator shall prepare a mitigation plan that shall be submitted to the department for approval. For ongoing mining operations, the mitigation plan alone or in conjunction with regulations adopted by the commission shall result in an overall reduction in take of avian or mammal species. The department shall provide an opportunity for public review and comment on each mitigation plan during the department's approval process. The mitigation plan shall be prepared on a site-specific basis and may provide for offsite mitigation measures designed to reduce avian mortality. The mine operator shall submit monthly monitoring reports on avian mortality to the department to aid in evaluating the effectiveness of onsite mitigation measures.

(4) The mining operator shall reimburse the department for its direct costs to provide appropriate notice of the mitigation plan to affected local government entities and other affected parties. The mine operator shall provide the department a limited number of copies, as determined by the department, of the mitigation plan for public review.