Regulations Governing the Bonding Operations in Science Parks Article 16

A park enterprise may not include non-bonded goods in the application for import of bonded goods. In the case of inclusion of non-bonded goods, an application for the payment of supplementary duties and taxes shall be filed with the Customs within 30 days after the Customs' release of such goods.
中文原文 科學園區保稅業務管理辦法第16條
園區事業不得將非屬保稅貨品列為保稅貨品報運進口,如有誤列,應於放行後三十日內向海關申請補繳稅捐。

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