Cal. Health & Safety Code § 114328
(c) Prior to conducting catering operations, the catering operation shall submit to the enforcement agency written standard operating procedures that include all of the following information:
(h) A catering operation shall maintain records for all offsite food service activities for 90 days after each event. The catering operation shall provide those records to the enforcement agency upon request and shall include all of the following information:
(j) For offsite food service where a catering operation is serving the food, the person in charge on behalf of the catering operation shall ensure that basic food safety is maintained at all times, including, but not limited to, all of the following:
(k) Utensils used to serve food shall meet all of the following conditions: