Consumer Protection Act Article 51

Where a litigation brought in accordance with this act, the consumers may claim for a punitive damage up to 5 times the amount of actual damages as a result of injuries caused by the willful misconduct of traders; if such injuries are caused by gross negligence, a punitive damage up to 3 times the amount of the actual damages may be claimed; if such injuries caused by negligence, a punitive damage up to one time the amount of the actual damages may be claimed.
中文原文 消費者保護法第51條
依本法所提之訴訟,因企業經營者之故意所致之損害,消費者得請求損害額五倍以下之懲罰性賠償金;但因重大過失所致之損害,得請求三倍以下之懲罰性賠償金,因過失所致之損害,得請求損害額一倍以下之懲罰性賠償金。

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