Enforcement Rules of International Airport Park Development Act Article 12

The Civil Aeronautics Administration of the Ministry of Transportation and Communications and the Airport Corporation shall reach agreement in writing with regard to the planning, construction, and operational management of the Airport Zone that are related to the operations and facilities of the air traffic service.
中文原文 國際機場園區發展條例施行細則第12條
機場專用區之規劃、建設與營運管理涉及飛航服務作業及設施事項,應由交通部民用航空局與機場公司雙方以書面協議之。

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