Enforcement Rules of Sewerage Act Article 9

The landowner, possessor or user who intends to file an objection under the provisos of the preceding Articles 14 or 16 of the Act shall submit their objection in writing to the sewerage institution within thirty days after the notice prescribed in the two preceding Articles, and delayed objections will not be handled.
中文原文 下水道法施行細則第9條
土地所有人、占有人或使用人依本法第十四條第一項但書或第十六條但書提出異議者,應於前二條之通知到達後三十日內,以書面向下水道機構為之,逾期不予受理。

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