Social Order Maintenance Act Article 62

A person who waives their right to appeal or withdraws their appeal to the ruling made by a police authority or a summary court loses his right to do so.
中文原文 社會秩序維護法第62條
捨棄抗告權、撤回聲明異議或抗告者,喪失其聲明異議或抗告權。

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