Customs Act Article 58

I. Imported goods may be, after Customs approves the application, stored in a bonded warehouse prior to being picked up. Such goods re-exported or exported after reassembly within the time limit prescribed for storage in a bonded warehouse may be exempt from the payment of duty.II.After being stored in a bonded warehouse, domestically manufactured bonded goods may be written off from the accounts in accordance with relevant provisions; the domestically manufactured goods for reconditioning which have been stored in a bonded warehouse, except for those goods of which the applicable items of duty refund have been cancelled, the duty may be refunded or offset after exportation according to the provisions of Article 63.III.During the warehousing period referred to in the preceding two paragraphs, the owner of the stored goods or the bearer of the warehousing receipt thereof may apply to Customs for permission to arrange, sort, divide up, assemble or repack such goods within the bonded warehouse.IV.The firm operating the bonded warehouse shall apply to the relevant Customs office for registration and submit a deposit. Regulations governing the qualification, conditions, installation and equipment, amount and type of deposit, application procedure, registration and any registration changes, certificate application and renewals, storage and management of goods and any other required matters shall be prescribed by the MOF.
中文原文 關稅法第58條
進口貨物於提領前得申請海關存入保稅倉庫。
在規定存倉期間內,原貨出口或重整後出口者,免稅。
國產保稅貨物進儲保稅倉庫後,得依規定辦理除帳;供重整之國內貨物進儲保稅倉庫後,除已公告取消退稅之項目外,得於出口後依第六十三條規定辦理沖退稅。
前二項存倉之貨物在規定存倉期間內,貨物所有人或倉單持有人得申請海關核准於倉庫範圍內整理、分類、分割、裝配或重裝。
保稅倉庫業者應向所在地海關申請登記及繳納保證金;其應具備之資格、條件、設備建置、保證金數額與種類、申請程序、登記與變更、證照之申請、換發、貨物之存儲、管理及其他應遵行事項之辦法,由財政部定之。

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