In downstream oil and gas, LPG: a body that performs inspection (footnote 15: ISO/IEC 17020) [Section 3.28, 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]
