Regulations Governing the Use of Commodity Inspection Mark Article 13

The quantity of commodities that the sampling personnel checks to verify the use of Mark labels shall be two to three times of the quantity of sampled commodities for inspection or boxes opened for inspection. Commodities sampled to check the Mark labels shall have the Mark label identification numbers recorded in the sampling report. If there are discrepancies between the results of the check and those specified in the application form, the case shall be dealt with in accordance with related regulations.
中文原文 商品檢驗標識使用辦法(910109訂定)第13條
取樣人員查核報驗商品之商品檢驗標識數量,應為取樣或開箱數量之二至三倍,並應將取樣樣品之識別號碼記錄於取樣紀錄;查核之商品檢驗標識識別號碼與報驗申請書記載不符者,應依相關規定處理。

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