Senior Citizens Welfare Act Article 25

Elderly persons shall be entitled to a 50% discount when using domestic public or private water, land, or air transportation, entering recreational venues, or visiting cultural and educational facilities.For cultural and educational facilities of the preceding paragraph which are operated by central government agencies (institutions) or administrative legal entities, free admission shall be granted on weekdays.
中文原文 老人福利法第25條
老人搭乘國內公、民營水、陸、空大眾運輸工具、進入康樂場所及參觀文教設施,應予以半價優待。
前項文教設施為中央機關(構)、行政法人經營者,平日應予免費。

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