Land Act Article 140

If, within thirty days from the date when any project of land consolidation is announced, objections to the project are raised by more than half of the interested landowners who own among themselves over half of the total area of the lands to be consolidated, excluding public lands, the competent Special Municipal or County (City) Land Administration Agency shall immediately report the case to its superior authority for instructions.
中文原文 土地法第140條
土地重劃,自公告之日起三十日內,有關係之土地所有權人半數以上,而其所有土地面積,除公有土地外,超過重劃地區內土地總面積一半者表示反對時,直轄市或縣(市)地政機關應即報上級機關核定之。

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