The Regulations Governing the Implementation of the Imposition of Countervailing and Anti-Dumping Duties Article 46

Where the imported product subject to the imposition of a countervailing duty or anti-dumping duty, is further processed and exported, such duty shall not be refunded; however, where the imported product is re-exported in its original form which meets the requirements for an exemption of customs duty under the Act, such duty may be refunded.
中文原文 平衡稅及反傾銷稅課徵實施辦法第46條
課徵平衡稅或反傾銷稅之進口貨物加工外銷時,該平衡稅或反傾銷稅,不予退還。
但原貨復運出口,符合本法免徵關稅規定者,所繳之平衡稅或反傾銷稅,得予退還。

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