Administrative Regulations on Radio Waves Article 38

Where a number of stations work simultaneously in a common circuit, each station shall, either as relay stations or in parallel on different frequencies, transmit its own identification signal or identification signals of all stations that work in the common circuit.
中文原文 電波監理業務管理辦法第38條
數個電臺在共同電路內同時工作時,其為中繼電臺或使用不同無線電頻率並聯發射之電臺,每一電臺應發射各自識別信號或發射共同電路內所有工作電臺之識別信號。

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