In downstream oil & gas: any portable pressure-vessel or container for LPG, conforming to the specifications set by the BPS [Section 3(z), Downstream Oil Industry Deregulation Act of 1998 IRR]
In downstream oil & gas, LPG: a transportable and refillable pressure vessel with up to one hundred fifty (150) liters water capacity, designed for the storage of LPG [Section 4(x), LPG Industry Regulation Act of 2021; Section 3.1(y) of DOE-DTI Joint Department Circular No. JDC2022-05-001, Rules and Regulations Implementing Republic Act No. 11592; Section 3.1(y), DOE Department Circular No. DC2022-11-0037, Guidelines on the Registration and Issuance of License to Operate to Qualified DOE-Regulated LPG Industry Participants and Penalizing Certain Prohibited Acts]
Note: Under DOE Department Circular No. DC2022-11-0037, the term is written as “LPG Cylinder”.