Cultural Heritage Preservation Act Article 99

Monuments, archaeological sites, historic buildings, commemorative buildings, and the land upon which they are erected shall be exempted from house tax and land value tax.The house tax and land value tax imposed upon groups of buildings, historic sites, cultural landscapes, and the land upon which they are erected may be deducted up to 50 percent. The regulation related to scope, criteria, and procedures of such tax deduction shall be stipulated by the municipality directly under the jurisdiction of the central government, county or city competent authorities at the municipality level or the county/city level and be reported to the Ministry of Finance for recordation.
中文原文 文化資產保存法第99條
古蹟、考古遺址、歷史建築、紀念建築及其所定著之土地,免徵房屋稅及地價稅。
聚落建築群、史蹟、文化景觀及其所定著之土地,得在百分之五十範圍內減徵房屋稅及地價稅;其減免範圍、標準及程序之法規,由直轄市、縣(市)主管機關訂定,報財政部備查。

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