Petroleum Administration Act Article 19-1
LPG distributors and packing companies must periodically report to their authoritative units their supply and sale of LPG. LPG retailers must display information on source of gas and the retail price in the business place.LPG packing companies must fill the high pressure gas containers with LPG according to the weight labeled. LPG retailers must ensure that the weight of the LPG is consistent with the label on the container.The central competent authority will stipulate laws on the supply and sale information to be reported by LPG distributors and LPG packing companies. The information provided should include preparation, contents, and formats. The central competent authority shall also determine the acceptable range of error regarding LPG weight and the packing and filling of LPG, as well as the methods of price displays and other regulations.
中文原文 石油管理法第19-1條
經營液化石油氣經銷、分裝業務，應定期向主管機關申報氣源流向供銷資料；經營液化石油氣零售業務，應於營業場所備置氣源流向供銷資料，並揭示零售價格資訊。
液化石油氣分裝業應依桶裝高壓氣體容器標示之灌裝重量，灌裝液化石油氣。
液化石油氣零售業應確保銷售之液化石油氣重量，與桶裝高壓氣體容器標示之重量相符。
前二項關於液化石油氣經銷與分裝業氣源流向供銷資料之申報及零售業供銷資料之備置、內容、格式，液化石油氣分裝業、零售業之灌裝、銷售液化石油氣重量容許誤差範圍，零售價格資訊揭示之方法，及其他應遵行事項之規則，由中央主管機關定之。
液化石油氣分裝業應依桶裝高壓氣體容器標示之灌裝重量，灌裝液化石油氣。
液化石油氣零售業應確保銷售之液化石油氣重量，與桶裝高壓氣體容器標示之重量相符。
前二項關於液化石油氣經銷與分裝業氣源流向供銷資料之申報及零售業供銷資料之備置、內容、格式，液化石油氣分裝業、零售業之灌裝、銷售液化石油氣重量容許誤差範圍，零售價格資訊揭示之方法，及其他應遵行事項之規則，由中央主管機關定之。