Safety Standard of Machinery, Equipment and Tools Article 62

When the power blocked, the circular saw shall have a brake device to make its rotating shaft stopped except the following circular saw:1. The circular saw is capable of stopping its shaft within 10 seconds when the power blocked.2. The portable circular saw use a single-phase series wound motor.3. The circular saw has an automatic feeder which blade is built into the body or others that do not cause a dangerous risk because of bodily contact.4. It is a tenoning machine or a multi-axis tenoning machine.
中文原文 機械設備器具安全標準第62條
圓盤鋸應設置遮斷動力時可使旋轉中圓鋸軸停止之制動裝置。
但下列圓盤鋸,不在此限:
一、圓盤鋸於遮斷動力時,可於十秒內停止圓鋸軸旋轉者。
二、攜帶用圓盤鋸使用單相串激電動機者。
三、設有自動輸送裝置之圓盤鋸,其本體內藏圓鋸片或其他不因接觸致引起危險之虞者。
四、製榫機及多軸製榫機。

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