In downstream oil and gas, LPG: [a] document issued by BPS attesting that the quality of an imported product conforms to a Philippine National Standard or BPS/recognized international/foreign standard [Rule 3.25, DTI Department Administrative Order No. 22-11, The New Technical Regulation Concerning the Mandatory Certification of Liquefied Petroleum Gas (LPG) Pressure Vessels, Systems, Services and Ancillary Products]
