This Interim Standard specifies requirements for liquefied petroleum gas (LP Gas) products in the liquid phase as supplied for general domestic and industrial fuel purposes, in bulk and into cylinders. The requirements apply at the point of custody transfer except where withdrawal or loss of product from the vapour phase will change the composition of the product remaining in the liquid phase.This Interim Standard does not include requirements for storage or handling of LP Gas which are covered in AS/NZS1596.