Social Order Maintenance Act Article 76

People engaged in any of the following behaviors shall be punishable by a fine of not more than NTD 30,000:1. Pawnshops, various processing, storage, trading, and repairing businesses failing to report dubious objects in a timely manner to the police authorities after becoming aware of them.2. Not reporting discovered firearms, ammunition, or other explosives to the police authorities.Severe or repeated violations as prescribed in subparagraph 1 of the preceding paragraph shall be subject to suspension or termination of business alone or each in combination with other penalties.
中文原文 社會秩序維護法第76條
有左列各款行為之一者,處新臺幣三萬元以下罰鍰:
一、當舖、各種加工、寄存、買賣、修配業,發現來歷不明之物品,不迅即報告警察機關者。
二、發現槍械、彈藥或其他爆裂物,而不報告警察機關者。
前項第一款其情節重大或再次違反者,處或併處停止營業或勒令歇業。

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