In downstream oil and gas, LPG: confirmation, through the provision of objective evidence, that specified requirements have been fulfilled (footnote 29: ISO 9000). This may include product testing [Section 3.64, 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]
