To assist in accomplishing the purposes of Section 58502, the board of supervisors of any county may establish, and publicize the availability of, a surplus food collection and distribution system, consisting of an inventory of storage facilities and refrigeration equipment that are available in the county for such purposes and a 24-hour information and food collection center for receiving and transmitting information as to where agricultural products are available or what organization desires or needs donated agricultural products, and for collecting, receiving, handling, storing, and distributing donated agricultural products. Any nonprofit charitable organization regularly needing agricultural products in its operations may be listed with such center for the purpose of being notified whenever such products are available.