Administrative Procedure Act Article 100

A written administrative disposition shall be served upon the person subject to the disposition and any person known to be affected thereby. For an administrative disposition in a form other than written, other appropriate means shall be taken to cause such persons to be notified or to make the disposition known to them.Service of a general disposition may be effected by way of a public notice or publication in a government gazette or newspaper in lieu of actual service.
中文原文 行政程序法第100條
書面之行政處分,應送達相對人及已知之利害關係人;書面以外之行政處分,應以其他適當方法通知或使其知悉。
一般處分之送達,得以公告或刊登政府公報或新聞紙代替之。

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