Farmland Readjustment Act Article 31

The superficies, agricultural right or the permanent lease registered before readjustment is deemed as elimination. The superficies, agricultural right or the permanent lease obligee shall claim for equivalent compensation to the landowner.The claim in the preceding paragraph should be exercised within two months since the readjustment redistribution confirmed.
中文原文 農地重劃條例第31條
因重劃致地上權、農育權或永佃權不能達其設定之目的者,各該權利視為消滅。
地上權人、農育權人或永佃權人得向土地所有權人請求相當之補償。
前項請求權之行使,應自重劃分配確定之日起,二個月內為之。

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