In downstream oil and gas, LPG: a means of distributing LPG through a closed system of pipelines within a building from locally installed LPG pressure vessels [Section 4(j), LPG Industry Regulation Act of 2021; Section 3.1(k) of DOE-DTI Joint Department Circular No. JDC2022-05-001, Rules and Regulations Implementing Republic Act No. 11592; Section 3.1(k), 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 the latter issuance, the term is written as “Centralized LPG Piping System”.