Mass Rapid Transit Act Article 32

To encourage public goods, the local competent authority of the mass rapid transit system may ratify or order the operation organization of mass rapid transit system to implement integrated businesses such as joint by routes, tickets, and fares, with urban bus carriers or other public transportation industries.
中文原文 大眾捷運法第32條
為公益上之必要,大眾捷運系統地方主管機關,得核准或責令大眾捷運系統營運機構與市區汽車客運業或其他大眾運輸業者,共同辦理聯運或其他路線、票證、票價等整合業務。

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