Enforcement Rules of the Tobacco and Alcohol Administration Act Article 18

The competent authority shall seize all suspicious illegal or disqualified tobacco and alcohol products found in any crackdown, or seal up and deliver the same to the original owner or an appropriate person for safekeeping under oath, in case it is inconvenient for the authority to transfer or difficult to keep such products or if samples thereof must be taken for inspection.When conducting the seizure or sealing-up under the preceding Paragraph, the competent authority shall record the time and place of crackdown; the quantity; the facts of suspected violation; the source; the name of the producer or importer; the date of production; importation, or purchase; the layout of the scene or the storage situation of the warehouse, and have the suspect or the interested party(ies) present at the scene sign or seal the records. If the suspect or such interested party refuses to do so, this fact shall be indicated thereon.
中文原文 菸酒管理法施行細則第18條
主管機關查獲涉嫌之私菸、私酒、劣菸、劣酒,除因搬運不便、保管困難或需經抽樣檢驗者,予以封存,並交由原持有人或適當之人具結保管外,予以扣留。
主管機關為前項扣留或封存時,應就查獲之時間、地點、數量、涉嫌違章事實、菸酒來源、產製或進口業者名稱、製造、輸入或購買日期、現場陳列或倉庫存放等情形,作成紀錄,並由涉嫌人或在場關係人簽章;其拒不簽章者,應予註明。

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