Regulations for the Testing Nicotine and Tar Content in Tobacco Products and the Labeling of Tobacco Product Containers Article 4

When a container is not rectangular or its largest front and back surfaces are difficult to discern, the health warnings shall be labeled on two conspicuous locations on the container's surface. The labeled area shall not be less than 30% of the total surface area of this container, and Health Warnings shall not be labeled on the bottom of this container.
中文原文 菸品尼古丁焦油含量檢測及容器標示辦法第4條
容器非屬長方體形狀,或難以辨識其最大正面及反面時,健康警示應於容器表面二明顯之處為之。
標示之面積,不得低於該容器總表面積之百分之三十,且不得標示於該容器之底部。

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