The Enforcement Rules of the Education Act for Indigenous Peoples Article 15

Governments at all levels that provide students at the preschool level and at all stages of their 12-Year Basic Education with opportunities to learn the languages, histories, science, and cultures of indigenous peoples in accordance with the provisions of Article 29 of the Act shall plan, and assist and supervise institutions providing preschool education and schools at senior secondary level and below with the arrangement of the number of hours of indigenous education to be provided, and its implementation.
中文原文 原住民族教育法施行細則第15條
各級政府依本法第二十九條規定提供學前教育及十二年國民基本教育階段之學生學習原住民族語言、歷史、科學及文化之機會,應規劃、協助並督導學前教育機構及高級中等以下學校,安排時數,實施教學。

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