Sports Lottery Issuance Act Article 17

Winning sports lottery tickets that cannot be identified due to being burnt, soaked in water, stained, dyed, damaged or other reasons may not be claimed.
中文原文 運動彩券發行條例第17條
向經銷商購買之運動彩券中獎,因火燻、水浸、油漬、塗染、破損或其他情形,致不能辨認真偽者,不予兌獎。

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