Housing Act Article 23

Competent authorities may provide incentives to encourage house rental services providers to provide social housing specified in Subparagraph 5 or 6 of Paragraph 1 and Subparagraph 4 of Paragraph 2 of Article 19.For house owners who lease their house to the competent authority or house rental service provider for sublease and management in accordance with Subparagraph 5 or 6 of Paragraph 1 or Subparagraph 4 of Paragraph 2 of Article 19, or have a house rental service provider provide matchmaking and management services to use the space for housing, long-term care services, services for the disabled, child-care services, or nursery, income tax on their rental income may be reduced according to the following conditions:1. Rental income is exempt from income tax, but limited to NT$15,000 per house each month.2. If the house owner cannot produce evidence of necessary loss and expenses for tax deduction, income tax on rental income shall be calculated at 60% of the rental income.Tax preference for rental income in the preceding paragraph 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 owner of the house in accordance with the second paragraph may be used for tax reduction or exemption in the same item but shall not be used as a basis for examining the rental income of the owner of the house.
中文原文 住宅法第23條
主管機關為促進以第十九條第一項第五款、第六款或第二項第四款興辦社會住宅,得獎勵租屋服務事業辦理。
住宅所有權人依第十九條第一項第五款、第六款或第二項第四款規定將住宅出租予主管機關、租屋服務事業轉租及代為管理,或經由租屋服務事業媒合及代為管理作為居住、長期照顧服務、身心障礙服務、托育服務、幼兒園使用,得依下列規定減徵租金所得稅:
一、住宅出租期間所獲租金收入,免納綜合所得稅。
但每屋每月租金收入免稅額度不得超過新臺幣一萬五千元。
二、住宅出租期間之租金所得,其必要損耗及費用之減除,住宅所有權人未能提具確實證據者,依應課稅租金收入之百分之六十計算。
前項減徵租金所得稅規定,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。
住宅所有權人依第二項規定所簽訂之租賃契約資料,除作為同項租稅減免使用外,不得作為查核該住宅所有權人租賃所得之依據。

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