National Emblem and National Flag of the Republic of China Act Article 18

The local government shall demand correction if any national emblem or flag manufactured or sold by any plant or store is inconsistent with these standards.
中文原文 中華民國國徽國旗法第18條
凡工廠或商店製售之國徽、國旗,不合標準者,應由當地政府嚴行取締或糾正之。

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