Regulations Governing Fees for Commodity Inspection Article 5

Where the inspection fees are collected based on foreign currencies, the foreign exchange rates will follow those announced by the Customs Administration, Ministry of Finance every ten days for purpose of customs clearance (buying for export and selling for import).
中文原文 商品檢驗規費收費辦法第5條
以外幣為貨款核算檢驗規費者,按財政部關務署訂定每旬報關適用外幣匯率表之買入(輸出)或賣出(輸入)價,換算為新臺幣。

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