Regulations Governing the Labeling of the Alcohol Products Article 6
The alcohol content of alcohol products shall refer to the percentage of ethyl by volume measured by stereometry at 20 degrees centigrade on Celsius thermometer, i.e. the number of milliliters of ethyl in 100 milliliters of an alcoholic beverage. Alcohol content shall be labeled by degrees, %, % vol, or % by volume, and shall be stated by a number.The tolerances allowed for the alcohol content referred to in the preceding paragraph is 0.5 degree for distilled spirits and 1 degree for alcohol products other than distilled spirits.
中文原文 酒類標示管理辦法第6條
酒類之酒精成分指於攝氏檢溫器二十度時，原容量中含有乙醇之容量百分比，即一百毫升飲料酒中含酒精之毫升數，其單位以度、％、％vol或％byvolume標示，並以單一數字為之。
前項酒精成分容許誤差範圍除蒸餾酒類為正負零點五度以外，其他酒類為正負一度。
前項酒精成分容許誤差範圍除蒸餾酒類為正負零點五度以外，其他酒類為正負一度。