In downstream oil and gas, LPG: a document which lays down product characteristics for their related processes and production methods, including the applicable administrative provisions, with which compliance is mandatory [Section 3.59, Rule 3, DTI Department Administrative Order No. 22-11, Series of 2022, The New Technical Regulation Concerning the Mandatory Certification of Liquefied Petroleum Gas (LPG) Pressure Vessels, Systems, Services and Ancillary Products]
