In oil & gas, natural gas: any contract or agreement for the delivery and sale of natural gas by and between sellers, suppliers, and buyers [Section 4(q), Philippine Natural Gas Industry Development Act]
In oil & gas, natural gas: any contract or agreement for the delivery and sale of Natural Gas by and between sellers, suppliers, and buyers [Section 4(x), DOE Department Circular No. DC 2025-04-0005, Philippine Natural Gas Industry Development Act IRR]