Regulations Governing the Establishment and Management of Bonded Warehouses Article 41

After the bonded goods are exported after reconditioning, or after the repair and maintenance work conducted on a pallet or container reaches completion, in the case of the domestic products supplied by a manufacturer inside a tax zone and used on the said reconditioning or repairing work, an application may be filed for tax offset and refund pursuant to Article 63 of the Customs Act, except for items that are delisted from the schedule of items for tax rebate.In the case where the self-provided bonded warehouse for the storage of goods from the duty-free shops is used to store the domestic goods from the taxed areas, except for those items which have been announced to cancel the tax rebate, the exporter may apply to the Customs for the issue of a copy of the export declaration form for the purpose of applying for the duty drawbacks.The application for the return of domestic goods which are stored in the self-provided bonded warehouse shall be filed following the next day of the storage of goods. If the exporter has received a copy of the export declaration form, it should be withdrawn for cancellation or correction. The duty-payer who has been refunded shall be required to make the supplementary payment for the tax refund and notify the tax collection authority.The return of overdue goods stored in the bonded warehouse for more than three months shall be handled in accordance with general procedures for the import customs clearance. In addition, relevant duties/taxes shall be levied based upon the original status of the goods when they are first stored in the bonded warehouse.
中文原文 保稅倉庫設立及管理辦法第41條
保稅貨物於重整後出口或修護貨櫃、貨盤完工後,其所使用之課稅區國產貨物,除已公告取消退稅之項目外,得於出口後依關稅法第六十三條規定辦理沖退稅。
專供存儲免稅商店銷售貨物之自用保稅倉庫進儲課稅區國產貨物,除已公告取消退稅之項目外,得於貨物通關放行後,由出口人向海關申請核發出口報單副本,憑以辦理沖退稅。
前項自用保稅倉庫自課稅區進儲國產貨物之退貨,應於進儲之翌日起三個月內提出申請,出口人已領有出口報單副本者,應予收回註銷或更正;其已辦理沖退稅者,應補徵已沖退稅款,並通知所屬稅捐稽徵機關。
進儲逾三個月之退貨案件,其退貨手續按一般貨物進口通關程序辦理,並按該貨物進儲時形態課稅。

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