Customs Act Article 34

I. If the customs value of the imported goods cannot be determined under the provisions of Articles 29, 31, 32, and 33, the customs value shall be based on a computed value.II.The term "computed value" referred to in the preceding paragraph means the sum of the following:1. The costs and expenses of producing the imported goods;2. An amount for profit and general expenses equal to that usually reflected in the sale of the imported goods or imported goods of the same class or kind as the goods being valued which are made by producers in the country of exportation for export to the Republic of China;3. The transport cost of the imported goods to the port or place of importation, loading, unloading and handling charges and insurance costs associated with the transport.
中文原文 關稅法第34條
進口貨物之完稅價格,未能依第二十九條、第三十一條、第三十二條及前條規定核定者,海關得按計算價格核定之。
前項所稱計算價格,指下列各項費用之總和:
一、生產該進口貨物之成本及費用。
二、由輸出國生產銷售至中華民國該進口貨物、同級或同類別貨物之正常利潤與一般費用。
三、運至輸入口岸之運費、裝卸費、搬運費及保險費。

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