Business Entity Accounting Act Article 41-2

Business entities shall select measurement bases for recognizing financial statement items in a manner appropriate to the requirements of circumstances. Common measurement bases include historical cost, fair value, realizable value, or other measurement bases.
中文原文 商業會計法第41-2條
商業在決定財務報表之會計項目金額時,應視實際情形,選擇適當之衡量基礎,包括歷史成本、公允價值、淨變現價值或其他衡量基礎。

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