Land Act Article 120

When any farmland is returned to the lessor on the termination of the lease contract according to the provisions of Section (2), (3), (5) or (6) of Article 114, the lessee may claim from the lessor repayment of the outlay incurred on the special improvements referred to in Paragraph two of the preceding Article, but such repayment shall be limited to the cost of that part of the special improvements which has not lost its utility.The provisions of the preceding paragraph shall apply mutatis mutandis, when the right of perpetual lease (yungtien) is revoked according to the provisions of Articles 845 and 846 of the Civil Code.
中文原文 土地法第120條
因第一百十四條第二第三第五第六各款契約終止返還耕地時,承租人得向出租人要求償還其所支出前條第二項耕地特別改良費,但以其未失效能部份之價值為限。
前項規定,於永佃權依民法第八百四十五條及第八百四十六條之規定撤佃時準用之。

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