National Emblem and National Flag of the Republic of China Act Article 21
No form of the national emblem or national flag shall be used for any commercial marking, nor shall they be used to manufacture improper objects.
中文原文 中華民國國徽國旗法第21條
國徽、國旗式樣，不得作為商業上專用標記，或製為一切不莊嚴之用品。