National Emblem and National Flag of the Republic of China Act Article 19

Law:: National Emblem and National Flag of the Republic of China Act
Chinese:: 中華民國國徽國旗法

Any national flag hung by any store or residence shall be based on No. 6 of the attached national flag size chart.4. National flag size chart.PDF4. National flag size chart.doc

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