Administrative Regulations of Amateur Radio Operators and Radio Stations Article 33
The occupied bandwidth of an amateur station shall not exceed 10 kHz for working frequencies lower than 29 MHz, and shall not exceed 20 kHz for working frequencies higher than 29 MHz unless otherwise specified in the Technical Specifications for Amateur radio Apparatus.
中文原文 業餘無線電人員及電臺管理辦法第33條
業餘電臺發射之佔用頻帶寬度，於作業頻率未達二十九百萬赫時，不得超過十千赫；作業頻率在二十九百萬赫以上時，除業餘無線射頻電機技術規範另有規定外，不得超過二十千赫。