The Commodity Inspection Act Article 18

For commodities subject to batch-by-batch inspection, the obligatory inspection applicant shall file an inspection application with the BSMI for each batch.Commodities included in the same inspection application shall belong to the same category, type, or specifications, unless otherwise approved by the BSMI.
中文原文 商品檢驗法第18條
實施逐批檢驗之商品,應由報驗義務人向標準檢驗局報請檢驗。
同批報驗商品應為同品目、同型式或同規格。
但經標準檢驗局同意者,不在此限。

English translation for reference only; the Chinese text prevails. Not legal advice.