Enforcement Rules of the Trademark Act Article 22

Where an application is filed with a claim for exhibition priority pursuant to Article 21 of the Act, Article 20 shall apply mutatis mutandis to the period of six months from the day following the date of the first display of goods or services of such application.
中文原文 商標法施行細則第22條
依本法第二十一條規定主張展覽會優先權者,其自該商品或服務展出後之六個月,準用第二十條之規定。

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