Customs Act Article 55

I. In cases where the goods imported are under duty reduction or exemption with a subsequent deviation from duty reduction or exemption conditions on account of a transfer of ownership or a change in their use, the original duty-payer or the present holder of such goods shall pay duty to Customs at the port of importation within thirty days following the date of the transfer of ownership or the change in the use of the goods imported; the import duty levied shall be based on the value and tariff rate applicable at the time when such a transfer or change occurred. However, the duty may be exempted under any of the following circumstances:1. Where the transfer of ownership or change in use occurs after the expiry of the time limit prescribed by the MOF;2. Where the goods are re-exported in their original condition as approved by Customs;3. Where the authority having originally issued the permit or certificate transfers the case to Customs, and the goods are re-exported in their original condition as confirmed by Customs; or4. Where the transferee satisfies the conditions of the conditions for duty reduction or exemption.II.Imported goods on which duties are paid in installments or recorded on accounts shall not be transferred until full payment of such duties is made unless they are under compulsory execution or otherwise approved by Customs as a special case.III.Where the imported goods are under compulsory execution or approved as a special case as provided for in the preceding paragraph, Customs may permit the transferee to continue to pay the duties in installments or record them on accounts.IV.Regulations governing the duty payment referred to in Paragraph 1, the time limit for exemption, application procedure, determination of customs value and other required matters shall be prescribed by the MOF.
中文原文 關稅法第55條
減免關稅之進口貨物,轉讓或變更用途時,應由原進口時之納稅義務人或現貨物持有人自轉讓或變更用途之翌日起三十日內,向原進口地海關按轉讓或變更用途時之價格與稅率,補繳關稅。
但有下列情事之一者,免予補稅:
一、轉讓或變更用途時已逾財政部規定年限。
二、經海關核准原貨復運出口。
三、經原核發同意或證明文件之機關核轉海關查明原貨復運出口。
四、轉讓與具有減免關稅條件。
分期繳稅或稅款記帳之進口貨物,於關稅未繳清前,除強制執行或經海關專案核准者外,不得轉讓。
依前項規定經強制執行或專案核准者,准由受讓人繼續分期繳稅或記帳。
第一項減免關稅貨物補稅、免補稅年限、申辦程序、完稅價格之核估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.