Enforcement Rules of the Trademark Act Article 21
Where an application is filed with a claim for exhibition priority pursuant to Article 21 of the Act, the applicant shall submit a certificate issued at the exhibition by the host of the exhibition.The certificate referred to in the preceding paragraph shall declare the following:(1) the name of the exhibition and its venue, the name of the host of such exhibition, and the date of the first display of the goods or services;(2) the name of the participant and his/her goods or services displayed at the exhibition; and(3) the photographs showing the display of the goods or services, catalogs, brochures or any other documents capable of proving the content of the display.
中文原文 商標法施行細則第21條
依本法第二十一條規定主張展覽會優先權者，應檢送展覽會主辦者發給之參展證明文件。
前項參展證明文件，應包含下列事項：
一、展覽會名稱、地點、主辦者名稱及商品或服務第一次展出日。
二、參展者姓名或名稱及參展商品或服務之名稱。
三、商品或服務之展示照片、目錄、宣傳手冊或其他足以證明展示內容之文件。
前項參展證明文件，應包含下列事項：
一、展覽會名稱、地點、主辦者名稱及商品或服務第一次展出日。
二、參展者姓名或名稱及參展商品或服務之名稱。
三、商品或服務之展示照片、目錄、宣傳手冊或其他足以證明展示內容之文件。