Customs Act Article 72

I.In the case where import relief or special safeguard measures are adopted in accordance with the Foreign Trade Act or other international agreements respectively, the MOF may increase the duty rate, a tariff quota may be adopted or additional duties imposed on specified imported goods.II.Where the accumulative import volume of a category of goods is beyond the standard trigger volume, the additional duty referred to in the preceding paragraph shall be calculated based on the duty leviable on the imports determined by Customs; where the import price is lower than the standard trigger price, it shall be calculated based on the difference between the customs value determined by Customs under this Act and the standard price. For the levy of additional duty, the higher of the two values resulting from comparison in respect of the two standards shall apply.III.The scope, duty rate, amount and period regarding the increase of duty, adoption of tariff quota or imposition of additional duty referred to in Paragraph 1 shall be drafted jointly by the MOF and the related authorities, and submitted to the Executive Yuan for approval. The tariff quota shall be implemented in accordance with the regulations for tariff quota set forth in Paragraph 2, Article 5.
中文原文 關稅法第72條
依貿易法採取進口救濟或依國際協定採取特別防衛措施者,得分別對特定進口貨物提高關稅、設定關稅配額或徵收額外關稅。
前項額外關稅於該貨物之累積進口量超過基準數量時,應以海關就該批進口貨物核定之應徵稅額為計算基礎;於該進口貨物之進口價格低於基準價格時,應以海關依本法核定之完稅價格與基準價格之差額為計算基礎。
其額外關稅之課徵,以該二項基準所計算稅額較高者為之。
第一項關稅之提高、關稅配額之設定或額外關稅之徵收,其課徵之範圍、稅率、額度及期間,由財政部會同有關機關擬訂,報請行政院核定;關稅配額之實施,依第五條第二項關稅配額之實施辦法辦理。

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