In downstream oil & gas, LPG: DOE Field Offices for Luzon, Visayas and Mindanao [Section 3.1(t), 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 issuance, the term is writen as “FOs” only.