The Commodity Inspection Act Article 56

The competent authority shall prescribe regulations governing the charging rates, amounts, minimum fee limits, and other relevant matters for the fees mentioned in the preceding three Articles, depending on the categories of commodities.
中文原文 商品檢驗法第56條
前三條費用之費率、費額、最低費額限制及相關事項之辦法,由主管機關就各種商品定之。

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