The Forestry Act Article 8

Should any of the following criteria apply to a national or public forest, it may be leased, transferred or appropriated:1. It is required for establishing a school, hospital, park or other public facilities;2. It is required for national defense, transportation or water conservation3. It is required for establishing public works;4. It is required for establishing a duly approved national park, designated scenic area or forest recreation park.Should the applications stipulated above be violated, or should the land not be used for the said purposes during the assigned period, the leased, sublet or appropriated forestland shall be taken back.
中文原文 森林法第8條
國有或公有林地有左列情形之一者,得為出租、讓與或撥用:
一、學校、醫院、公園或其他公共設施用地所必要者。
二、國防、交通或水利用地所必要者。
三、公用事業用地所必要者。
四、國家公園、風景特定區或森林遊樂區內經核准用地所必要者。
違反前項指定用途,或於指定期間不為前項使用者,其出租、讓與或撥用林地應收回之。

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