Administrative Regulations on Radio Waves Article 47
The call signs of international public communications, amateur radio communications and other radio communications which are capable of causing harmful interference beyond the boundaries of the territory or geographical area in which they are located, shall have call signs from the international series in accordance with “Table of Allocation of International Call Sign Series” of ITU Radio Regulations.
中文原文 電波監理業務管理辦法第47條
提供國際公眾通信、業餘無線電及可能在國外發生妨害性干擾之其他無線電通信，其呼號依電聯會無線電規則之國際呼號序列分配表分配。