Regulations on Real Estate Appraisal Article 106

A built-up property could be regarded as a vacant land if the building upon it becomes worthless. However, the demolition cost of the building should be considered to make necessary value adjustments.
中文原文 不動產估價技術規則第106條
建物已不具備使用價值,得將其基地視為素地估價。
但應考量建物拆除成本予以調整之。

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