National Emblem and National Flag of the Republic of China Act Article 10

Government authorities, schools, organizations and military troops shall install the flag pole in a proper location, and raise and lower the national flag every day.
中文原文 中華民國國徽國旗法第10條
政府機關、學校、團體及軍事部隊,應於適當地點,樹立旗桿,每日升降國旗。

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