Housing Act Article 16

Municipality, county (city) governments shall levy house tax on the houses leased out by public welfare landlords according to the provisions of the House Tax Act.Municipality, county (city) governments may levy land value tax on the land of houses leased out by public welfare landlords according to the rate of residential land for self-use.The self-governance ordinance on the period, scope, standard, and procedures of tax preference in the preceding paragraph shall be prescribed by the municipal, county (city) competent authority, and shall be reported to the Ministry of Finance for future reference.Tax preference in paragraph 2 shall be limited to five years. The Executive Yuan may extend the tax preference period based on the actual situation six months before the period expires.The lease contract data signed by the public welfare landlord may be used for levying house tax and land value tax of paragraphs 1 and 2, but shall not be used as a basis for examining the house tax and land value tax of the house and land in the aforesaid lease contract.
中文原文 住宅法第16條
公益出租人出租之房屋,直轄市、縣(市)政府應課徵之房屋稅,依房屋稅條例規定辦理。
公益出租人出租房屋之土地,直轄市、縣(市)政府應課徵之地價稅,得按自用住宅用地稅率課徵。
前項租稅優惠之期限、範圍、基準及程序之自治條例,由直轄市、縣(市)主管機關定之,並報財政部備查。
第二項租稅優惠,實施年限為五年,其年限屆期前半年,行政院得視情況延長之。
公益出租人出租房屋所簽訂之租賃契約資料,除作為第一項、第二項房屋稅及地價稅課徵使用外,不得作為查核前開租賃契約所載房屋、其土地之房屋稅及地價稅之依據。

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