Indigenous Languages Development Act Article 13

When government agencies operateadministrative, legislative affairs andjudicial procedures, indigenous peoplesmay express their views in theirindigenous languages;all suchgovernment agencies shall employtranslators for interpretation.The central competent authority shallestablish a database of indigenouslanguage professionals for governmentagencies at all levels to employ asneeded.
中文原文 原住民族語言發展法第13條
政府機關(構)處理行政、立法事務及司法程序時,原住民得以其原住民族語言陳述意見,各該政府機關(構)應聘請通譯傳譯之。
中央主管機關應建立原住民族語言人才資料庫,提供各級政府機關(構)視需要聘請之。

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