Article 3 When selling commodities, a retailer must use eligible instruments of measurement, and the allowed maximum error shall precede or be equal to the minus deviation of the commodities sold.

第三条零售商品经销者销售商品时，必须使用合格的计量器具，其最大允许误差应当优于或等于所销售商品的负偏差。

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Note: Uncertainty in table is showed by the square minus of the standard deviation from laboratory average data and sample unhomogeneity.

注：表中不确定度以定值标准偏差和样品的不均匀方差表示。

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Note: Uncertainty in table is showed by the square minus of the standard deviation from laboratory average data and sample unhomogeneity.

注：表中不确定度以定值标准偏差和样品的不均匀方差表示。

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