Water Supply Act Article 63
A water supply enterprise should make best efforts to install water meters and charge water by units where one unit is one cubic meter. The water supply enterprises may set up the basic units per month after obtaining approval from the authority-in-charge.A water supply enterprise may charge users for the installation of water meters pursuant in the preceding paragraph.
中文原文 自來水法第63條
自來水事業向自來水用戶收取水費，應儘量裝置量水器，以度數計算，每一立方公尺水量為一度，並得呈經主管機關核准後規定每月用水底度。
自來水事業裝置前項量水器，得向用戶酌收使用費。
自來水事業裝置前項量水器，得向用戶酌收使用費。