Radio Taiwan International Establishment Act Article 12

Except for the chairman and the Executive Supervisors, directors and supervisors shall serve without compensation. Transportation fees shall, however, be provided for travel to and from meetings.
中文原文 中央廣播電臺設置條例第12條
董事、監事除董事長及常務監事外,均為無給職。
但開會時得酌支交通費。

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