Cal. Education Code § 49563

(a) For purposes of this section, the following terms have the following meanings: (1) “Buy American provision” means the provision requiring a school food authority to purchase, to the maximum extent practicable, domestic commodities or products, as specified in subdivision (n) of Section 1760 of Title 42 of the United States Code. (2) “Domestic” means an agricultural commodity that is produced in the United States and a food product that is processed in the United States using substantial agricultural commodities that are produced in the United States. (3) “Substantial” means over 51 percent of the final processed product consists of agricultural commodities grown domestically. (4) “School food authority” has the same meaning as defined in Section 210.2 of Title 7 of the Code of Federal Regulations. (b) In order to monitor school food authorities’ compliance with the Buy American provision, the department shall fulfill its obligations in accordance with the federal regulations. (c) The department shall make requirements, resources, and best practices for the Buy American provision available on its Internet Web site. (d) The department shall distribute to school food authorities guidance or regulations from the United States Department of Agriculture for the Buy American provision, as updates are issued. (e) The requirements of this section shall be operative only if mandated by federal law.