In the absence of a law for the downstream natural gas industry, the following issuances and policies serve as the pillars and provide guidance towards the development of the gas industry in the country.
| Republic Act No. 7638 | Department of Energy Act of 1992 – Creating the Department of Energy |
| Executive Order No. 66, s. 2002 | Designated DOE as lead agency for development of Philippine Natural Gas Industry |
| Department Circular No. 95-06-006 | Policy Guidelines on the Overall Development & Utilization of Natural Gas in the Philippines dated June 15, 1995 |
| Department Circular No. 2002-08-005 | Interim Rules and Regulations Governing the Transmission, Distribution, and Supply of Natural Gas. Promulgated in August 27, 2002 to provide basic framework to guide investors and operations in downstream natural gas industry |
| Department Circular No. 2002-07-004 | Rules of Practice and Procedure Before the Department of Energy |
| Natural Gas Policy and Regulatory Framework | Embodies the policies, objectives, programs, and strategies for developing the Natural Gas Industry |
| Philippine Energy Plan | Provides framework for development of the Natural Gas Industry along with other energy sub-sectors |
| Presidential Decree No. 87 | Otherwise knows as the Oil Exploration & Development Act of 1972, as amended |
| Republic Act No. 387 | Otherwise known as Petroleum Act of 1949 |