Enforcement Rules of the Patent Act Article 89

For a patent application for design filed pursuant to Paragraph 2, Article 121 or Paragraph 2, Article 129 of the Act, if the priority date thereof predates the implementation date of the amended Act, the implementation date of the amended Act shall be regarded as the priority date.
中文原文 專利法施行細則第89條
依本法第一百二十一條第二項、第一百二十九條第二項規定提出之設計專利申請案,其主張之優先權日早於本法修正施行日者,以本法修正施行日為其優先權日。

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