GB3 1654-22 1 National Standard for Food Safety "General Hygienic Specification for Catering Services" (hereinafter referred to as the standard) stipulates the basic food safety requirements and management specifications for food procurement, storage, processing, supply, distribution, tableware (drinking utensils), food containers and tools. Applicable to all kinds of catering service activities in canteens of catering service operators and centralized dining units.