Legal analysis: The technical regulation that catering service providers must implement in food safety is the Code of Practice for Food Safety in Catering Services.

legal basis: Code of Practice for Food Safety in Catering Services 1.1 This code is formulated to guide catering service providers to implement the main responsibility of food safety, standardize catering business behavior, improve food safety management ability and ensure catering food safety in accordance with the requirements of food safety laws, regulations, rules and normative documents.