Administrative Regulations of Amateur Radio Operators and Radio Stations Article 28
The amateur operator shall transmit its assigned call sign on the transmitting channel of the station at the beginning of each communication, at the end of each communication, and at least every 10 minutes during communications.
中文原文 業餘無線電人員及電臺管理辦法第28條
業餘無線電人員於初次建立通信或通信完畢時，應報明其業餘電臺呼號，通信中至少每隔十分鐘應報其業餘電臺呼號一次。