ISO 9162:2013 specifies required characteristics and additional information to be supplied to the purchaser by the vendor of those products commonly referred to as liquefied petroleum gases (see ISO 8216-3) and is intended to apply to international transfers of commercial propane and commercial butane. ISO 9162:2013 is neither intended nor expected to replace or encroach upon national standards of any country since each country is subject to different regulations, codes, industry practices and market utilization.