The Commodity Inspection Act Article 16

Commodity inspections conducted by the BSMI at the request of either or both parties to a sales transaction, in accordance with specifications agreed upon by the seller and the buyer, shall be regarded as contracted inspections. Regulations governing the following aspects of contracted inspections shall be prescribed by the competent authority:‧Scope;‧Application procedures;‧Inspection methods;‧Reviews of documents;‧Issuance and replacement of contracted inspection certificates; and‧Other relevant matters.
中文原文 商品檢驗法第16條
標準檢驗局應買賣雙方或任何一方之申請,依約定規範檢驗者,為特約檢驗;其範圍、申請程序、檢驗方法、審查、特約檢驗證書之核(換)發及相關事項之辦法,由主管機關定之。

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