A food production enterprise shall conduct ex-factory inspection according to the standards and keep the samples for ex-factory inspection, and the retention period of the samples shall not be shorter than the shelf life of the products. The reserved samples should be the smallest sales unit or meet the requirements of relevant review rules.

The use area of the inspection room should be adapted to the inspection of this kind of food. Enterprises must be equipped with equipment and facilities suitable for sample storage conditions, and the sample storage area or sample storage room shall not be less than 10 square meter.