The Weights and Measures Act Article 13
In case any measuring unit is used in trading or certification activities, the applicable legal units of measurement shall be used for such purpose. Regulations for promoting and assisting the use of the legal units of measurement shall be prescribed by the competent authority.
中文原文 度量衡法第13條
交易或證明有使用度量衡單位時，應使用法定度量衡單位；其推廣及輔導辦法，由主管機關定之。