Regulations on Real Estate Appraisal Article 48
Cost approach refers to an approach to estimating the value of the subject property, by deducting the accrued depreciation or other item due to be subtracted from the reproduction or replacement cost, based on the date of value opinion.The value estimated according to the approach in the previous paragraph is cost value.It is the reproduction cost that should be estimated in appraising a building. But the replacement cost could be adopted in the case that the materials in the building construction are no longer in production or the construction method has been changed.Reproduction cost refers to the cost for duplication of a building using identical or highly similar material standard, design, layout, and construction quality with the subject property on the date of value opinion.Replacement cost refers to the cost for construction of a building using modern material standard, design, and layout to provide utility equivalent to the subject property on the date of value opinion.
中文原文 不動產估價技術規則第48條
成本法，指求取勘估標的於價格日期之重建成本或重置成本，扣減其累積折舊額或其他應扣除部分，以推算勘估標的價格之方法。
依前項方法所求得之價格為成本價格。
建物估價以求取重建成本為原則。
但建物使用之材料目前已無生產或施工方法已改變者，得採重置成本替代之。
重建成本，指使用與勘估標的相同或極類似之建材標準、設計、配置及施工品質，於價格日期重新複製建築所需之成本。
重置成本，指與勘估標的相同效用之建物，以現代建材標準、設計及配置，於價格日期建築所需之成本。
依前項方法所求得之價格為成本價格。
建物估價以求取重建成本為原則。
但建物使用之材料目前已無生產或施工方法已改變者，得採重置成本替代之。
重建成本，指使用與勘估標的相同或極類似之建材標準、設計、配置及施工品質，於價格日期重新複製建築所需之成本。
重置成本，指與勘估標的相同效用之建物，以現代建材標準、設計及配置，於價格日期建築所需之成本。