Cal. FGC § 6460

If the department obtains documented and verifiable evidence of escapements of triploid grass carp permitted under this article into unauthorized waters, the unauthorized use of grass carp, or threats to fish and wildlife and their habitats as the result of this program, it may, upon a written finding by the director to that effect, suspend the permit issuance process authorized by this article. If the situation is local, the suspension may be limited to that area whose waters, habitat, and fish and wildlife resources are threatened. The suspension shall last until the director makes a written finding that the threat has been abated.