Land Act Article 137

Where plots of land are so small or narrow in size that their area is smaller than the minimum unit prescribed in Article 31, such plots may be abolished as independent units or consolidated by consolidation.
中文原文 土地法第137條
土地畸零狹小,全宗面積在第三十一條所規定最小面積單位以下者,得依土地重劃廢置或合併之。

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