Civil Aviation Act Article 35

In an effort to control the noise problem at a civil airport, the CAA shall collaborate with the Environmental Protection Administration Executive Yuan in the determination of a noise abatement program.Amongst airports referred to in the preceding paragraph, the noise abatement task of a state-operated airport shall be conducted by the CAA. The CAA may entrust the municipality or local county (city) government to conduct the task. For a non state-operated airport, the noise abatement task shall be conducted by its operator.
中文原文 民用航空法第35條
航空站噪音防制工作,由民航局會同行政院環境保護署共同訂定噪音防制工作計畫。
前項航空站,屬於國營者,其噪音防制工作,由民航局辦理,並得由民航局委辦當地直轄市、縣(市)政府辦理;非屬國營之航空站,其噪音防制工作,由經營人辦理。

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