California Code, Food and Agricultural Code (Formerly Agricultural Code) - FAC § 5821

The director, for the purpose of promoting and protecting the agricultural industry of the state, may, upon request, inspect plants and the premises upon or near which they are growing and the records of their sources and qualities. He may upon the basis of the information thus determined, maintain registries of the plants which are found not to be infested or infected, or liable to become infested or infected, with pests.