Regulations Governing the Bonding Operations in Science Parks Article 24

In the event that any finished products sold under the preceding Article are returned, the case shall be handled in accordance with the following provisions;1. The buyer and the seller shall jointly fill out an application for export/import and shall, within three months after the release of said goods from the Park, and file the same together with necessary documents for clearance of goods with the Customs for customs clearance. If the original selling factory has received a certificate of regarded export, the Customs shall give a notice to the competent tax authority of such return.2. Upon completion of the procedures set forth in the preceding Subparagraph, the Customs shall issue to the original buying factory a duplicate of the application for import against which said factory may apply for offsetting of the import duties and taxes.
中文原文 科學園區保稅業務管理辦法第24條
前條之買賣發生退貨時,應依下列規定辦理:
一、由買賣雙方聯名繕具報單,檢附報關必備文件,於出區三個月內向海關辦理通關手續。
原出售之園區事業已領有視同出口證明者,海關應通知稅捐稽徵機關。
二、海關辦理前款手續後,核發退稅用報單副本供原購買廠商辦理沖稅。

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